B
- Background of the invention (See also Specification) 608.01(c)
- Bacteria 1601
- Bar, Statutory (See Statutory bar)
- Base claim canceled 608.01(n)
- Base claim rejected 608.01(n)
- Benefit of domestic priority (See also Cross-noting) 211.01(a); 211.01(b)
- Benefit of foreign priority (See also Foreign application) 213.01
- Benelux Designs Convention (See also Treaties) 213.01; 1504.10
- Best mode 608.01(h); 2165 - 2165.04
- Bibliographic Information 601.05
- Biological material 2164.06(a); 2402; 2403
- Biotechnology (See also Nucleotide sequences) 2400
- Written description 2163; 2402
- Blue slip (See Form letters and forms: Issue Classification (Blue slip) PTO-270)
- Board of Patent Appeals and Interferences (See Patent Trial and Appeal Board (PTAB))
- Books in library 901.06(a)
- Borrowed publications 901.06(a); 901.06(b)
- Box, Mail (See Correspondence and Mail Stop)
- Breadth, Undue (See Undue breadth rejection)
- Brief, filed on appeal 1205
- Brief description of the drawings (See also Specification) 608.01(f)
- Brief summary of invention 608.01(d); 1302.01
- British English spelling 608.01
- British specification, provisional 214.03
- Broadening claims in reissue 1412.03
- Browser executable code in specification 608.01; 608.01(p)
- Budapest Treaty (See also Microorganisms and Treaties) 901.05(b); 2402; 2404.01; 2405; 2408; 2409; 2410.01; 2410.02; 2411.01
- Depositories 2405
- Bulletin, Classification (See Classification and Orders)
- Burden of proof 2107.02; 2112; 2112.01; 2113; 2163.04; 2164.04
- Business hours of USPTO 510