O
- Oath (See also Declaration)

- Oath, Antedating reference (See also Affidavit, swearing back of reference (37 CFR 1.131)) 715

- Oath, International application 1893.01(e)

- Oath, Original, Rule 1.63 602

- Oath, Supplemental, Rule 1.67 603

- Oaths, Conflicting 201.03

- Object of invention 608.01(d)

- Objection contrasted with rejection 706.01

- Objection, Dependent claims 608.01(n)

- Objection to formal matters, When made 707.07(a); 707.07(j); 710.02(b); 714.14

- Obvious error, correction 1302.04; 1305

- Obviously informal application 702.01

- Obviousness 706.02; 706.02(j); 2141 - 2146

- Offenlegungsshriften 901.05(b)

- Offensive language 608; 1504.01(e)
- Redacted in Pre-Grant Publication 1120


- Offensive subject matter 1003; 1504.01(e)

- Offer to sell 706.02(c); 2133.03(b)

- Offer to surrender original patent (not required) 1416

- Office action (See Action)

- Office action in ex parte reexamination 2260; 2262

- Office action in inter partes reexamination 2660; 2671
- Not closing prosecution 2671.01

- Reopening prosecution after ACP 2673; 2673.01

- Reopening prosecution after Examiner’s Answer 2679

- Reopening prosecution after RAN 2676; 2677


- Office date stamp 505; 506; 710.01(a); 714.18

- Office hours 510

- Office of Congressional Relations 203.08(a)

- Office of Electronic Information Products ; 1730

- Office of Enrollment and Discipline 406; 407; 410; 502; 510; 601.03; 604.06; 714.01(a); 714.13; 1002.02(k)(1); 1002.02(m); 2205; 2220; 2620
- Mailing address 501


- Office of General Law 1002.02(k)(2)

- Office of Initial Patent Examination (Office of Patent Application Processing) (See also Incoming-Mail Section) 201.03; 201.06(c); 201.06(d); 202.02; 202.03; 203.08; 501; 502; 503; 506; 601; 601.01(d); 601.01(f); 601.01(g); 601.01(h); 602.05(a); 605.04(c); 605.04(f); 605.04(g); 607; 608.01; 608.02(a); 608.02(z); 609.07; 707.07(a); 714.16(d); 719.01(b); 719.02; 719.02(b); 903.08(a); 1306; 1414; 2501; 2560

- Office of International Relations 201.13; 203.08(a)

- Office of Patent Classification 903; 903.05; 903.09

- Office of Patent Legal Administration (OPLA) (See also Central Reexamination Unit (CRU)) 103; 409.03; 409.03(h); 409.03(j); 506.02; 706.02(l)(2); 720; 720.01; 720.03; 720.04; 1002.02(b); 1430; 1449; 1449.01; 1451; 1456; 1457; 2227; 2236; 2237; 2239; 2285; 2289; 2294; 2626; 2642; 2666.50; 2667; 2668; 2686.01 - 2687; 2694

- Office of Patent Publications (Office of Data Management) 104; 201.14(c); 203.04; 502; 502.01; 603.01; 608.01(m); 608.02(z); 711.01; 711.05; 714.16(d); 724.05; 903.07; 1302.05; 1302.05(a); 1302.12; 1303.01; 1308; 1309; 1309.02; 1611; 2229; 2235; 2283; 2287; 2289; 2635; 2686.01; 2687

- Office of Patent Quality Review 1302.04; 1308.03

- Office of Patent Training ; 713.01

- Office of PCT Legal Administration 103; 1730

- Office of Petitions 106; 201.03; 502; 605.04(c); 605.04(f); 605.04(g); 609.04(b); 1002.02(b); 1308
- Location and phone number 1730


- Office of Public Records 103; 104; 711.04; 1128; 1309; 1730
- Hand-delivery of papers to 502


- Office of Solicitor 302.04; 311; 1002.02(k)(3); 1216.01; 1216.02; 1701.01; 1720; 1721; 2207; 2240; 2681
- Mailing address 501


- Office of the Commissioner for Patents 409.03; 1721; 1901.03; 1902.01

- Office of the Deputy Commissioner (Associate Commissioner) for Patent Examination Policy 502.03; 720; 720.01; 720.03; 1002.02(b); 1721; 2677

- Official action 707

- Official Gazette(O.G.) ; 409.03; 1703
- Claim published 1302.09
- Reissue application 1455

- From ex parte reexamination certificate 2287

- From inter partes reexamination certificate 2691


- Copies and Subscriptions 1703

- Defensive publications 711.06(a)

- Designating classification 1302.09

- Drawing figure 1302.09

- eOG:P 1703

- Issuing as U.S. patent 901.05

- Notice of ex parte reexamination certificate 2288; 2291

- Notice of inter partes reexamination certificate 2688; 2691

- Notice of Certificate of Correction 1480; 1485

- Notices 1703

- Notices of maintenance fees due 2501; 2575

- Notice of ex parte reexamination request 2229

- Notice of inter partes reexamination request 2627; 2629 - 2631

- Online 1703

- Patents 1703

- Published electronically 1703

- Publishing disclaimers 1490

- Reissue application filing notice 1430; 1441; 1441.01; 1443; 1453; 1457; 1470; 1703

- Statutory Invention Registration (SIR) 1111

- Trademarks 1703


- Official inquiries 203.08(a)

- Official Notice 2144.03

- OIPE (See Office of Initial Patent Examination (Office of Patent Application Processing))

- "Old art" use in deciding request for reexamination 2242; 2642

- Old combination 2173.05(j)

- Omission in reply, inadvertent 710.02(c); 2266.01; 2666.30

- Omnibus claim 706.03(d); 2173.05(r)

- On-line search (See also Electronic databases) 706.02(e); 901.06(a); 902.03(e)

- On sale (See also Public Use) 706.02(c); 2133.03; 2133.03(b)

- Operating hours (See Hours of operation)

- Operative 2164.07; 2164.08(b)

- Operative example 608.01(p)

- Operative, Showing 608.03; 716

- Opposition to issue of patent (See Protest)

- Oral hearing in reexamination

- Oral hearing on appeal 1209

- Order, citation of 707.06

- Order, Classification 902.04

- Order granting ex parte reexamination 2246

- Order granting inter partes reexamination 2646; 2660
- Returned as undelivered 2654


- Order of examination 707.02; 708 - 708.03

- Order of papers in file wrapper 719.01(a)

- Order for compliance 1210.01

- Ordering

- Orders (See also Publication) ; 707.06

- Ordinary and customary meaning of claim term 2106; 2111.01

- Original application (See Nonprovisional application)

- Original carries title to some continuing applications 201.12

- Original disclosure, inherent characteristics 608.04(a); 714.01(e)

- Ornamentality lacking in design applications 1504.01(c)

- Outstanding requirements 707.07(e)

- Overcoming a reference, Right of priority 201.15; 706.02(b)

- Overlapping applications

- Overlapping claims 804.02

- Oversight of inter partes reexamination 2689

- Owner’s representative 400

- Ownership and assignment 300; 706.02(l)(2); 706.02(l)(3)

- Ownership at time invention made 706.02(k); 706.02(l) - 706.02(l)(3)

- Ownership of applications filed subsequent to recording of assignment 201.12; 306
