M
- Madrid Protocol (See also Extension of protection of international registration to the United States, Registered extension of protection, and §66(a) application) 1900
- "Mail Room Date" label, permitted paper filings 303.02(b)
- Maintenance of registration 1602 - 1602.04
- Manner of use of mark (See Method-of-use)
- Mark drawing code 807.18
- Material alteration 807.03(d); 807.14 - 807.14(f); 1604.13; 1609.02(a)
- of color marks 1202.05(d)(iii)
- of marks containing functional matter 1202.02(c)(i)(A)
- of marks containing §2(b) matter 1204.04(b)
- of marks containing TLDs 1215.08 - 1215.08(c)
- of marks containing unregistrable symbols or designations 1205.01(a)(v); 1205.01(c)(iv)
- of repeating-pattern marks 1202.19(c)
- of color marks 1202.05(d)(iii)
- Material difference between mark on drawing and mark in foreign registration 807.12(b); 1011.01
- Meaning of term in mark, inquiry as to 809.01(a); 814
- Membership mark (See Collective membership mark)
- Mere descriptiveness (See Descriptiveness, mere)
- Merger, documents of 503.02
- Method-of-use 905; 1109.09
- Minor as applicant 803.01
- Minor’s name or likeness appears in mark 1206.04(a)
- "Misspelled" words 1209.03(j); 1213.08(c)
- Mistake in applicant’s name, correction of 1201.02(c)
- Mistake in owner’s/holder’s name, correction of 1104.10(b)(i); 1108.02(a); 1109.10; 1604.07(f); 1613.07(e)
- Mistake in registration, correction of 1609.10 - 1609.10(b)
- Model or grade designation 1202.16 - 1202.16(c)(v)(B);
- More than one mark 202.01; 807.01; 1202.19(g) - 1202.19(g)(ii); 1214.01
- Motion marks 807.11; 904.03(l)
- Moving goods/services between companion applications 1402.08
- Multiple drawings 202.01; 807.01
- Multiple filing bases 806.02 - 806.02(g)
- Multiple-class application (See Combined application)
- Musical performer/group names 1202.09; 1202.09(a); 1301.02(b)
- "Mutilation" of mark 807.12(d)