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TRADEMARK LAW RULES OF PRACTICE & FEDERAL STATUTES 37 - CFR PART 2 - RULES OF PRACTICE IN TRADEMARK CASES §2.1-§2.7 - RULES APPLICABLE TO TRADEMARK CASES §2.1 - [Reserved] §2.2 - Definitions. §2.6 - Trademark fees. §2.7 - Fastener Recordal Fees. §2.11-§2.19 - REPRESENTATION BY ATTORNEYS OR OTHER AUTHORIZED PERSONS §2.11 - Requirement for representation. §2.17 - Recognition for representation. §2.18 - Correspondence, with whom held. §2.19 - Revocation or withdrawal of attorney. §2.20 - DECLARATIONS §2.20 - Declarations in lieu of oaths. §2.21-§2.48 - APPLICATION FOR REGISTRATION §2.21 - Requirements for receiving a filing date. §2.22 - Requirements for a TEAS Plus application. §2.23 - Requirement to correspond electronically with the Office and duty to monitor status. §2.24 - Designation and revocation of domestic representative by foreign applicant. §2.25 - Documents not returnable. §2.26 - [Removed] §2.27 - Pending trademark application index; access to applications. §2.32 - Requirements for a complete trademark or service mark application. §2.33 - Verified statement for a trademark or service mark. §2.34 - Bases for filing a trademark or service mark application. §2.35 - Adding, deleting, or substituting bases. §2.36 - Identification of prior registrations. §2.37 - Description of mark. §2.38 - Use by predecessor or by related companies. §2.41 - Proof of distinctiveness under section 2(f). §2.42 - Concurrent use. §2.43 - Service mark. §2.44 - Requirements for a complete collective mark application. §2.45 - Requirements for a complete certification mark application; restriction on certification mark application. §2.46 - Principal Register. §2.47 - Supplemental Register. §2.48 - Office does not issue duplicate registrations. §2.51-§2.54 - DRAWING §2.51 - Drawing required. §2.52 - Types of drawings and format for drawings. §2.53 - Requirements for drawings filed through the TEAS. §2.54 - Requirements for drawings submitted on paper. §2.56-§2.59 - SPECIMENS §2.56 - Specimens. §2.59 - Filing substitute specimen(s). §2.61-§2.69 - EXAMINATION OF APPLICATION AND ACTION BY APPLICANTS §2.61 - Action by examiner. §2.62 - Procedure for submitting response. §2.63 - Action after response. §2.64 - Reinstatement of applications and registrations abandoned, cancelled, or expired due to Office error. §2.65 - Abandonment. §2.66 - Revival of applications abandoned in full or in part due to unintentional delay. §2.67 - Suspension of action by the Patent and Trademark Office. §2.68 - Express abandonment (withdrawal) of application. §2.69 - Compliance with other laws. §2.71-§2.77 - AMENDMENT OF APPLICATION §2.71 - Amendments to correct informalities. §2.72 - Amendments to description or drawing of the mark. §2.73 - Amendment to recite concurrent use. §2.74 - Form and signature of amendment. §2.75 - Amendment to change application to different register. §2.76 - Amendment to allege use. §2.77 - Amendments between notice of allowance and statement of use. §2.80-§2.84 - PUBLICATION AND POST PUBLICATION §2.80 - Publication for opposition. §2.81 - Post publication. §2.82 - Marks on Supplemental Register published only upon registration. §2.83 - Conflicting marks. §2.84 - Jurisdiction over published applications. §2.85-§2.87 - CLASSIFICATION §2.85 - Classification schedules. §2.86 - Multiple-class applications. §2.87 - Dividing an application. §2.88-§2.89 - POST NOTICE OF ALLOWANCE §2.88 - Statement of use after notice of allowance. §2.89 - Extensions of time for filing a statement of use. §2.91-§2.99 - CONCURRENT USE PROCEEDINGS §2.91 - [Reserved] §2.92 - [Reserved] §2.93 - [Reserved] §2.96 - [Reserved] §2.98 - [Reserved] §2.99 - Application to register as concurrent user. §2.101-§2.107 - OPPOSITION §2.101 - Filing an opposition. §2.102 - Extension of time for filing an opposition. §2.103 - [Added and Reserved] §2.104 - Contents of opposition. §2.105 - Notification to parties of opposition proceeding(s). §2.106 - Answer. §2.107 - Amendment of pleadings in an opposition proceeding. §2.111-§2.115 - CANCELLATION §2.111 - Filing petition for cancellation. §2.112 - Contents of petition for cancellation. §2.113 - Notification of cancellation proceeding. §2.114 - Answer. §2.115 - Amendment of pleadings in a cancellation proceeding. §2.116-§2.136 - PROCEDURE IN INTER PARTES PROCEEDINGS §2.116 - Federal Rules of Civil Procedure. §2.117 - Suspension of proceedings. §2.118 - Undelivered Office notices. §2.119 - Service and signing. §2.120 - Discovery. §2.121 - Assignment of times for taking testimony and presenting evidence. §2.122 - Matters in evidence. §2.123 - Trial testimony in inter partes cases. §2.124 - Depositions upon written questions. §2.125 - Filing and service of testimony. §2.126 - Form of submissions to the Trademark Trial and Appeal Board. §2.127 - Motions. §2.128 - Briefs at final hearing. §2.129 - Oral argument; reconsideration. §2.130 - New matter suggested by the trademark examining attorney. §2.131 - Remand after decision in inter partes proceeding. §2.132 - Involuntary dismissal for failure to take testimony. §2.133 - Amendment of application or registration during proceedings. §2.134 - Surrender or voluntary cancellation of registration. §2.135 - Abandonment of application or mark. §2.136 - Status of application or registration on termination of proceeding. §2.141-§2.145 - APPEALS §2.141 - Ex parte appeals from action of trademark examining attorney. §2.142 - Time and manner of ex parte appeals. §2.143 - [Added and Reserved] §2.144 - Reconsideration of decision on ex parte appeal. §2.145 - Appeal to court and civil action. §2.146-§2.149 - PETITIONS AND ACTION BY THE DIRECTOR §2.146 - Petitions to the Director. §2.147 - Petition to the Director to accept a paper submission. §2.148 - Director may suspend certain rules. §2.149 - Letters of protest against pending applications. §2.151 - CERTIFICATE §2.151 - Certificate. §2.153-§2.156 - PUBLICATION OF MARKS REGISTERED UNDER 1905 ACT §2.153 - Publication requirements. §2.154 - Publication in Official Gazette. §2.155 - Notice of publication. §2.156 - Not subject to opposition; subject to cancellation. §2.158 - REREGISTRATION OF MARKS REGISTERED UNDER PRIOR ACTS §2.158 - Reregistration of marks registered under Acts of 1881, 1905, and 1920. §2.160-§2.166 - CANCELLATION FOR FAILURE TO FILE AFFIDAVIT OR DECLARATION §2.160 - Affidavit or declaration of continued use or excusable nonuse required to avoid cancellation of registration. §2.161 - Requirements for a complete affidavit or declaration of use in commerce or excusable nonuse; requirement for the submission of additional information, exhibits, affidavits or declarations, and specimens; and fee for deletions of goods, services, and/or classes from a registration. §2.162 - Notice to registrant. §2.163 - Acknowledgment of receipt of affidavit or declaration. §2.164 - Correcting deficiencies in affidavit or declaration. §2.165 - Petition to Director to review refusal. §2.166 - Affidavit of continued use or excusable nonuse combined with renewal application. §2.167-§2.168 - AFFIDAVIT OR DECLARATION UNDER SECTION 15 §2.167 - Affidavit or declaration under section 15. §2.168 - Affidavit or declaration under section 15 combined with affidavit or declaration under sections 8 or 71, or with renewal application. §2.171-§2.176 - CORRECTION, DISCLAIMER, SURRENDER, ETC. §2.171 - New certificate on change of ownership. §2.172 - Surrender for cancellation. §2.173 - Amendment of registration §2.174 - Correction of Office mistake. §2.175 - Correction of mistake by owner. §2.176 - Consideration of above matters. §2.181-§2.186 - TERM AND RENEWAL §2.181 - Term of original registrations and renewals. §2.182 - Time for filing renewal application. §2.183 - Requirements for a complete renewal application. §2.184 - Refusal of renewal. §2.185 - Correcting deficiencies in renewal application. §2.186 - Petition to Director to review refusal of renewal. §2.188-§2.199 - GENERAL INFORMATION AND CORRESPONDENCE IN TRADEMARK CASES §2.188 - [Reserved] §2.189 - Requirement to provide domicile address. §2.190 - Addresses for trademark correspondence with the United States Patent and Trademark Office. §2.191 - Action of the Office based on the written record. §2.192 - Business to be conducted with decorum and courtesy. §2.193 - Trademark correspondence and signature requirements. §2.194 - Identification of trademark application or registration. §2.195 - Filing date of trademark correspondence. §2.196 - Times for taking action: Expiration on Saturday, Sunday or Federal holiday. §2.197 - Certificate of mailing. §2.198 - Filing of correspondence by Priority Mail Express®. §2.199 - [Reserved] §2.200-§2.205 - TRADEMARK RECORDS AND FILES OF THE PATENT AND TRADEMARK OFFICE §2.200 - Assignment records open to public inspection. §2.201 - Copies and certified copies. §2.202 - [Reserved] §2.203 - [Reserved] §2.204 - [Reserved] §2.205 - [Reserved] §2.206-§2.209 - FEES AND PAYMENT OF MONEY IN TRADEMARK CASES §2.206 - Trademark fees payable in advance. §2.207 - Methods of payment. §2.208 - Deposit accounts. §2.209 - Refunds. PART 3 - ASSIGNMENT, RECORDING AND RIGHTS OF ASSIGNEE §3.1 - Definitions §3.11-§3.16 - DOCUMENTS ELIGIBLE FOR RECORDING §3.11 - Documents which will be recorded. §3.16 - Assignability of trademarks prior to filing of an allegation of use statement. §3.25-§3.28 - REQUIREMENTS FOR RECORDING §3.25 - Recording requirements for trademark applications and registrations. §3.26 - English language requirement. §3.27 - Mailing address for submitting documents to be recorded. §3.28 - Requests for recording. §3.31-§3.34 - COVER SHEET REQUIREMENTS §3.31 - Cover sheet content. §3.34 - Correction of cover sheet errors. §3.41 - FEES §3.41 - Recording fees. §3.51-§3.58 - DATE AND EFFECT OF RECORDING §3.51 - Recording date. §3.54 - Effect of recording. §3.56 - Conditional assignments. §3.58 - Governmental registers. §3.61 - DOMESTIC REPRESENTATIVE §3.61 - Domestic representative. §3.71-§3.73 - ACTION TAKEN BY ASSIGNEE §3.71 - Prosecution by assignee. §3.73 - Establishing right of assignee to take action. §3.85 - ISSUANCE TO ASSIGNEE §3.85 - Issue of registration to assignee. PART 6 - CLASSIFICATION OF GOODS AND SERVICES UNDER THE TRADEMARK ACT §6.1-§6.4 - CLASSIFICATION OF GOODS AND SERVICES UNDER THE TRADEMARK ACT §6.1 - International schedule of classes of goods and services. §6.2 - Prior U.S. schedule of classes of goods and services. §6.3 - Schedule for certification marks. §6.4 - Schedule for collective membership marks. PART 7 - RULES OF PRACTICE IN FILINGS PURSUANT TO THE PROTOCOL RELATING TO THE MADRID AGREEMENT CONCERNING THE INTERNATIONAL REGISTRATION OF MARKS SUBPART A - GENERAL INFORMATION §7.1 - Definitions of terms as used in this part. §7.2 - [Reserved] §7.3 - Correspondence must be in English. §7.4 - International applications and registrations originating from the USPTO—Requirements to electronically file and communicate with the Office. §7.5 - [Reserved] §7.6 - Schedule of U.S. process fees. §7.7 - Payments of fees to International Bureau. SUBPART B - INTERNATIONAL APPLICATION ORIGINATING FROM THE UNITED STATES §7.11 - Requirements for international application originating from the United States. §7.12 - Claim of color. §7.13 - Certification of international application. §7.14 - Correcting irregularities in international application. SUBPART C - SUBSEQUENT DESIGNATION SUBMITTED THROUGH THE OFFICE §7.21 - Subsequent designation. SUBPART D - RECORDING CHANGES TO INTERNATIONAL REGISTRATION §7.22 - Recording changes to international registration. §7.23 - Requests for recording assignments at the International Bureau. §7.24 - Requests to record security interest or other restriction of holder’s rights of disposal or release of such restriction submitted through the Office. SUBPART E - EXTENSION OF PROTECTION TO THE UNITED STATES §7.25 - Sections of part 2 applicable to extension of protection. §7.26 - Filing date of extension of protection for purposes of examination in the Office. §7.27 - Priority claim of extension of protection for purposes of examination in the Office. §7.28 - Replacement of U.S. registration by registered extension of protection. §7.29 - Effect of replacement on U.S. registration. §7.30 - Effect of cancellation or expiration of international registration. §7.31 - Requirements for transformation of an extension of protection to the United States into a U.S. application. SUBPART F - AFFIDAVIT UNDER SECTION 71 OF THE ACT FOR EXTENSION OF PROTECTION TO THE UNITED STATES §7.36 - Affidavit or declaration of use in commerce or excusable nonuse required to avoid cancellation of an extension of protection to the United States. §7.37 - Requirements for a complete affidavit or declaration of use in commerce or excusable nonuse; requirement for the submission of additional information, exhibits, affidavits or declarations, and specimens; and fee for deletions of goods, services, and/or classes from a registration. §7.38 - Notice to holder of extension of protection. §7.39 - Acknowledgment of receipt of and correcting deficiencies in affidavit or declaration of use in commerce or excusable nonuse. §7.40 - Petition to Director to review refusal. SUBPART G - RENEWAL OF INTERNATIONAL REGISTRATION AND EXTENSION OF PROTECTION §7.41 - Renewal of international registration and extension of protection. PART 10 - [Removed and reserved] PART 11 - REPRESENTATION OF OTHERS BEFORE THE UNITED STATES PATENT AND TRADEMARK OFFICE SUBPART A - General Provisions §11.1-§11.3 - General Information §11.1 - Definitions. §11.2 - Director of the Office of Enrollment and Discipline. §11.3 - Suspension of rules. SUBPART B - Recognition To Practice Before the USPTO §11.4-§11.18 - Patents, Trademarks, and Other Non-Patent Law §11.4 - [Reserved] §11.5 - Register of attorneys and agents in patent matters; practice before the Office. §11.6 - Registration of attorneys and agents. §11.7 - Requirements for registration. §11.8 - Oath and registration fee. §11.9 - Limited recognition in patent matters. §11.10 - Restrictions on practice in patent matters. §11.11 - Administrative suspension, inactivation, resignation, and readmission. §11.12-11.13 - [Reserved] §11.14 - Individuals who may practice before the Office in trademark and other non-patent matters. §11.15 - Refusal to recognize a practitioner. §11.16 - Requirements for admission to the USPTO Law School Clinic Certification Program. §11.17 - Requirements for participation in the USPTO Law School Clinic Certification Program. §11.18 - Signature and certificate for correspondence filed in the Office. SUBPART C - Investigations and Disciplinary Proceedings; Jurisdiction, Sanctions, Investigations, and Proceedings §11.19 - Disciplinary jurisdiction; Jurisdiction to transfer to disability inactive status. §11.20 - Disciplinary sanctions; Transfer to disability inactive status. §11.21 - Warnings. §11.22 - Disciplinary investigations. §11.23 - Committee on Discipline. §11.24 - Reciprocal discipline. §11.25 - Interim suspension and discipline based upon conviction of committing a serious crime. §11.26 - Settlement. §11.27 - Exclusion on consent. §11.28 - Incapacitated practitioners in a disciplinary proceeding. §11.29 - Reciprocal transfer or initial transfer to disability inactive status. §§11.30-11.31 - [Reserved] §11.32 - Instituting a disciplinary proceeding. §11.33 - [Reserved] §11.34 - Complaint. §11.35 - Service of complaint. §11.36 - Answer to complaint. §11.37 - [Reserved] §11.38 - Contested case. §11.39 - Hearing officer; appointment; responsibilities; review of interlocutory orders; stays. §11.40 - Representative for OED Director or respondent. §11.41 - Filing of papers. §11.42 - Service of papers. §11.43 - Motions. §11.44 - Hearings. §11.45 - Amendment of pleadings. §§11.46-11.48 - [Reserved] §11.49 - Burden of proof. §11.50 - Evidence. §11.51 - Depositions. §11.52 - Discovery. §11.53 - Proposed findings and conclusions; post-hearing memorandum. §11.54 - Initial decision of hearing officer. §11.55 - Appeal to the USPTO Director. §11.56 - Decision of the USPTO Director. §11.57 - Review of final decision of the USPTO Director. §11.58 - Duties of disciplined or resigned practitioner, or practitioner on disability inactive status. §11.59 - Dissemination of disciplinary and other information. §11.60 - Petition for reinstatement. §11.61 - [Removed and reserved] §§11.62–11.99 - [Reserved] SUBPART D - USPTO Rules of Professional Conduct §11.100 - [Reserved] §11.101-§11.119 - Client-Practitioner Relationship §11.101 - Competence. §11.102 - Scope of representation and allocation of authority between client and practitioner. §11.103 - Diligence. §11.104 - Communication. §11.105 - Fees. §11.106 - Confidentiality of information. §11.107 - Conflict of interest: Current clients. §11.108 - Conflict of interest: Current clients: Specific rules. §11.109 - Duties to former clients. §11.110 - Imputation of conflicts of interest: General rule. §11.111 - Former or current Federal Government employees. §11.112 - Former judge, arbitrator, mediator or other third-party neutral. §11.113 - Organization as client. §11.114 - Client with diminished capacity. §11.115 - Safekeeping property. §11.116 - Declining or terminating representation. §11.117 - Sale of law practice. §11.118 - Duties to prospective client. §§11.119-11.200 - [Reserved] §11.201-§11.205 - Counselor §11.201 - Advisor. §11.202 - [Reserved] §11.203 - Evaluation for use by third persons. §11.204 - Practitioner serving as third-party neutral. §§11.205-11.300 - [Reserved] §11.301-§11.310 - Advocate §11.301 - Meritorious claims and contentions. §11.302 - Expediting proceedings. §11.303 - Candor toward the tribunal. §11.304 - Fairness to opposing party and counsel. §11.305 - Impartiality and decorum of the tribunal. §11.306 - Trial Publicity. §11.307 - Practitioner as witness. §11.308 - [Reserved] §11.309 - Advocate in nonadjudicative proceedings. §11.310-11.400 - [Reserved] §11.401-§11.405 - Transactions with Persons Other than Clients §11.401 - Truthfulness in statements to others. §11.402 - Communication with person represented by a practitioner. §11.403 - Dealing with unrepresented person. §11.404 - Respect for rights of third persons. §11.405-11.500 - [Reserved] §11.501-§11.508 - Law Firms and Associations §11.501 - Responsibilities of partners, managers, and supervisory practitioners. §11.502 - Responsibilities of a subordinate practitioner. §11.503 - Responsibilities regarding non-practitioner assistance. §11.504 - Professional independence of a practitioner. §11.505 - Unauthorized practice of law. §11.506 - Restrictions on right to practice. §11.507 - Responsibilities regarding law-related services. §11.508-11.700 - [Reserved] §11.701-§11.706 - Information About Legal Services §11.701 - Communications concerning a practitioner’s services. §11.702 - Advertising. §11.703 - Direct contact with prospective clients. §11.704 - Communication of fields of practice and specialization. §11.705 - Firm names and letterheads. §11.706 - - 11.800 [Reserved] §11.801-§11.901 - Maintaining the Integrity of the Profession §11.801 - Registration, recognition and disciplinary matters. §11.802 - Judicial and legal officials. §11.803 - Reporting professional misconduct. §11.804 - Misconduct. §§11.805-11.900 - [Reserved] §11.901 - Savings clause. 15 - Trademark Act of 1946, as Amended TITLE I - THE PRINCIPAL REGISTER §1 - (15 U.S.C. §1051) Application for registration; verification §2 - (15 U.S.C. §1052) Trademarks registrable on the principal register; concurrent registration §3 - (15 U.S.C. §1053) Service marks registrable §4 - (15 U.S.C. §1054) Collective marks and certification marks registrable §5 - (15 U.S.C. §1055) Use by related companies §6 - (15 U.S.C. §1056) Disclaimers §7 - (15 U.S.C. §1057) Certificates of registration §8 - (15 U.S.C. §1058) Duration, affidavits and fees §9 - (15 U.S.C. §1059) Renewal of registration §10 - (15 U.S.C. §1060) Assignment §11 - (15 U.S.C. §1061) Acknowledgments and verifications §12 - (15 U.S.C. §1062) Publication §13 - (15 U.S.C. §1063) Opposition §14 - (15 U.S.C. §1064) Cancellation §15 - (15 U.S.C. §1065) Incontestability of right to use mark under certain conditions §16 - (15 U.S.C. §1066) Interference §17 - (15 U.S.C. §1067) Interference, opposition, and proceedings for concurrent use registration or for cancellation; notice; Trademark Trial and Appeal Board §18 - (15 U.S.C. §1068) Refusal, cancellation, or restriction of registration; concurrent use §19 - (15 U.S.C. §1069) Applicability, in inter partes proceeding, of equitable principles of laches, estoppel and acquiescence §20 - (15 U.S.C. §1070) Appeal from examiner to Trademark Trial and Appeal Board §21 - (15 U.S.C. §1071) Appeal to courts §22 - (15 U.S.C. §1072) Registration as notice TITLE II - THE SUPPLEMENTAL REGISTER §23 - (15 U.S.C. §1091) Filing and registration for foreign use §24 - (15 U.S.C. §1092) Cancellation §25 - (15 U.S.C. §1093) Supplemental registration certificate §26 - (15 U.S.C. §1094) General provisions §27 - (15 U.S.C. §1095) Principal registration not precluded by supplemental registration §28 - (15 U.S.C. §1096) Department of Treasury; supplemental registration not filed TITLE III - NOTICE OF REGISTRATION §29 - (15 U.S.C. §1111) Notice of registration; display with mark; recovery of profits and damages in infringement suit TITLE IV - CLASSIFICATION §30 - (15 U.S.C. §1112) Classification of goods and services; registration in plurality of classes TITLE V - FEES AND CHARGES §31 - (15 U.S.C. §1113) Fees TITLE VI - REMEDIES §32 - (15 U.S.C. §1114) Remedies; infringement; innocent infringers §33 - (15 U.S.C. §1115) Registration as evidence of right to exclusive use; defenses §34 - (15 U.S.C. §1116) Injunctions; enforcement; notice of filing suit given Director §35 - (15 U.S.C. §1117) Recovery of profits, damages, and costs §36 - (15 U.S.C. §1118) Destruction of infringing articles §37 - (15 U.S.C. §1119) Power of court over registration; certification of decrees and orders §38 - (15 U.S.C. §1120) Fraud; civil liability §39 - (15 U.S.C. §1121) Jurisdiction of Federal courts; State, local, and other agency requirements §40 - (15 U.S.C. §1122) Liability of States, instrumentalities of States and State officials §41 - (15 U.S.C. §1123) Rules and regulations TITLE VII - IMPORTATION FORBIDDEN OF GOODS BEARING INFRINGING MARKS OR NAMES §42 - (15 U.S.C. §1124) Importation of goods bearing infringing marks or names forbidden TITLE VIII - FALSE DESIGNATIONS OF ORIGIN, FALSE DESCRIPTIONS. AND DILUTION FORBIDDEN §43 - (15 U.S.C. §1125) False designations of origin; false description or representation TITLE IX - INTERNATIONAL CONVENTIONS §44 - (15 U.S.C. §1126) International conventions; register of marks TITLE X - CONSTRUCTION AND DEFINITIONS §45 - (15 U.S.C. §1127) TITLE XI - REPEAL OF PREVIOUS ACTS §46(a) - (15 U.S.C. §1051) Time of taking effect - Repeal of prior acts §46(b) - (15 U.S.C. §1051 note) Existing registrations under prior acts §47(a) - (15 U.S.C. §1051 note) Applications pending on effective date of Act §47(b) - (15 U.S.C. §1051 note) Appeals pending on effective date of Act §48 - (15 U.S.C. §1051 note) Prior acts not repealed §49 - (15 U.S.C. §1051 note) Preservation of existing rights §50 - (15 U.S.C. §1051 note) Severability §51 - (15 U.S.C. §1058 note) Applications pending on effective date of the Trademark Law Revision Act of 1988 TITLE XII - THE MADRID PROTOCOL Sec. 60 - (15 U.S.C. §1141) Definitions Sec. 61 - (15 U.S.C. §1141a) International applications based on United States applications or registrations Sec. 62 - (15 U.S.C. §1141b) Certification of the international application Sec. 63 - (15 U.S.C. §1141c) Restriction, abandonment, cancellation, or expiration of a basic application or basic registration Sec. 64 - (15 U.S.C. §1141d) Request for extension of protection subsequent to International registration Sec. 65 - (15 U.S.C. §1141e) Extension of protection of an international registration to the United States under the Madrid Protocol Sec. 66 - (15 U.S.C. §1141f) Effect of filing a request for extension of protection of an international registration to the United States Sec. 67 - (15 U.S.C. §1141g) Right of priority for request for extension of protection to the United States. Sec. 68 - (15 U.S.C. §1141h) Examination of and opposition to request for extension of protection; notification of refusal Sec. 69 - (15 U.S.C. §1141i) Effect of extension of protection. Sec. 70 - (15 U.S.C. §1141j) Dependence of extension of protection to the United States on the underlying international registration Sec. 71 - (15 U.S.C. §1141k) Duration, affidavits and fees Sec. 72 - (15 U.S.C. §1141l) Assignment of an extension of protection Sec. 73 - (15 U.S.C. §1141m) Incontestability Sec. 74 - (15 U.S.C. §1141n) Rights of extension of protection Sec. 13403 - (15 U.S.C. §1141 note) Effective date 35 - UNITED STATES CODE, TITLE 35, PATENTS - PART 1 UNITED STATES PATENT AND TRADEMARK OFFICE CHAPTER 1 - ESTABLISHMENT, OFFICERS AND EMPLOYEES, FUNCTIONS 35 U.S.C. §1 - Establishment. 35 U.S.C. §2 - Powers and duties. 35 U.S.C. §3 - Officers and employees. 35 U.S.C. §4 - Restrictions on officers and employees as to interest in patents 35 U.S.C. §5 - Patent and Trademark Office Public Advisory Committees. 35 U.S.C. §6 - Patent Trial and Appeal Board. (35 U.S.C. §6 pertains to patents.) 35 U.S.C. §7 - Library. 35 U.S.C. §8 - Classification of patents. (35 U.S.C. §8 pertains to patents.) 35 U.S.C. §9 - Certified copies of records. 35 U.S.C. §10 - Publications. 35 U.S.C. §11 - Exchange of copies of patents. (35 U.S.C. §11 pertains to patents.) 35 U.S.C. §12 - Copies of patents and applications for public libraries. (35 U.S.C. §12 pertains to patents.) 35 U.S.C. §13 - Annual report to Congress. CHAPTER 2 - PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE 35 U.S.C. §21 - Filing date and day for taking action. 5 U.S.C. §6103 - Holidays. District of Columbia Code—Section 28 - 2701. 35 U.S.C. §22 - Printing of papers filed. 35 U.S.C. §23 - Testimony in Patent and Trademark Office cases. 35 U.S.C. §24 - Subpoenas, witnesses. 35 U.S.C. §25 - Declaration in lieu of oath. 35 U.S.C. §26 - Effect of defective execution. CHAPTER 3 - PRACTICE BEFORE PATENT AND TRADEMARK OFFICE 35 U.S.C. §31 - [Repealed] 35 U.S.C. §32 - Suspension or exclusion from practice. 35 U.S.C. §33 - Unauthorized representation as practitioner. CHAPTER 4 - PATENT FEES, FUNDING, SEARCH SYSTEMS 35 U.S.C. §41(i) - Patent and trademark search systems. 35 U.S.C. §41 note - Adjustment of trademark fees. 35 U.S.C. §42 - Patent and Trademark Office funding.

§11.109 Duties to former clients.

(a) A practitioner who has formerly represented a client in a matter shall not thereafter represent another person in the same or a substantially related matter in which that person’s interests are materially adverse to the interests of the former client unless the former client gives informed consent, confirmed in writing.
(b) A practitioner shall not knowingly represent a person in the same or a substantially related matter in which a firm with which the practitioner formerly was associated had previously represented a client:
- (1) Whose interests are materially adverse to that person; and
- (2) About whom the practitioner had acquired information protected by §§ 11.106 and 11.109(c) that is material to the matter; unless the former client gives informed consent, confirmed in writing.
(c) A practitioner who has formerly represented a client in a matter or whose present or former firm has formerly represented a client in a matter shall not thereafter:
- (1) Use information relating to the representation to the disadvantage of the former client except as the USPTO Rules of Professional Conduct would permit or require with respect to a client, or when the information has become generally known; or
- (2) Reveal information relating to the representation except as the USPTO Rules of Professional Conduct would permit or require with respect to a client.

[Added 78 FR 20180, April 3, 2013, effective May 3, 2013]