H
- Hague convention 804.01(a)(i)
- Hand delivery of correspondence to USPTO 307
- Hand delivery of documents relating to Madrid applications 1902.08(b); 1906.01(a)(i)
- Hashtag marks 1202.18
- Heading or caption for papers 302.03(a); 302.03(b)
- Holiday (See Federal holiday, response period ending on)
- Hologram 807.01; 1202.14; 1214.01
- House mark 807.14(f); 1402.03(b); 1902.02(f)(i)