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- Undelivered mail— 707.13 ; 1303.02
- Undue breadth rejection— 2164.08 ; 2166 ; 2173.04 ; 2173.05(h)
- Unexpected results ( See also Affidavits, traversing rejections (37 CFR 1.132))— 716.02 – 716
- Unintentional abandonment ( See Abandonment)
- United Kingdom priority document— 213.03 ; 216
- United States Code ( See Statutes)
- Unity of invention— 803 ; 823 ; 1850 ; 1875 ; 1893.03(d)
- University or other institution of higher learning— 509.02 ; 509.04(b)
- Unlocatable Patent or Application Files— 508.04
- Unscheduled closing— 213.03
- Unsigned amendment— 711 ; 714.01(a)
- Untimely filed (premature) paper prior to order for ex parte reexamination— 2225
- Untimely response to ex parte reexamination— 2267
- UPOV Convention ( See also Plant patent and Treaties)— 1612 ; 1613
- Uruguay Round Agreements Act ( See also Treaties)— 201.04 ; 715 ; 715.07(c) ; 2701 ; 2720 ; 2730 ; 2132
- Use claims— 2173.05(q)
- Use, Public ( See Public use)
- User pass— 510
- USPTO Contact Center— 1730
- USPTO Patent Electronic Filing System— 708.02(a) ; 708.02(b) ; 713.01
- Utility, disclosure in drug cases— 2107.03 ; 2164.06 ; 2164.06(a) ; 2164.07
- Utility requirement guidelines— 2107
- Utility lacking, rejection— 2104 ; 2107
- Utility model— 901.05(b)
- Utility patent (
See also
Design application,
Patent, and
Plant patent)—
901.04
;
1502.01
- Application publication— 1120 – 1135
- Copies of— 707.05(a)
- Copyrighted material in— 608.01(w)
- Design patent compared to— 1502.01
- Double patenting— 804
- Drawings / Photographs— 608.01(f) ; 608.02
- Elements of— 600
- Expiration date or term— 1730 ; 2211 ; 2250
- Maintenance fees— 2506
- Period of enforceability— 2204 ; 2211
- Specification— 608.01
- Utility required— 608.01(p) ; 2104 ; 2107 ; 2164.07
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