C12Y
Enzymes
C12Y (Enzymes) appears on 24,577 US grants and 40,184 published applications in this corpus.
Search patents in C12Y- Granted patents
- 24,577
- Published applications
- 40,184
- Assignees
- 9,358
- Inventors
- 61,138
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 23 | 0 |
| 1982 | 28 | 0 |
| 1983 | 19 | 0 |
| 1984 | 31 | 0 |
| 1985 | 25 | 0 |
| 1986 | 28 | 0 |
| 1987 | 40 | 0 |
| 1988 | 43 | 0 |
| 1989 | 49 | 0 |
| 1990 | 89 | 0 |
| 1991 | 78 | 0 |
| 1992 | 107 | 0 |
| 1993 | 115 | 0 |
| 1994 | 136 | 0 |
| 1995 | 159 | 0 |
| 1996 | 179 | 0 |
| 1997 | 255 | 0 |
| 1998 | 367 | 0 |
| 1999 | 391 | 0 |
| 2000 | 328 | 0 |
| 2001 | 376 | 47 |
| 2002 | 326 | 433 |
| 2003 | 276 | 693 |
| 2004 | 228 | 617 |
| 2005 | 189 | 590 |
| 2006 | 280 | 526 |
| 2007 | 235 | 477 |
| 2008 | 248 | 564 |
| 2009 | 254 | 719 |
| 2010 | 358 | 815 |
| 2011 | 417 | 938 |
| 2012 | 523 | 1054 |
| 2013 | 581 | 1314 |
| 2014 | 809 | 1549 |
| 2015 | 1043 | 2139 |
| 2016 | 1293 | 2507 |
| 2017 | 1393 | 2628 |
| 2018 | 1559 | 2264 |
| 2019 | 1717 | 2600 |
| 2020 | 1768 | 2416 |
| 2021 | 1640 | 2577 |
| 2022 | 1459 | 2516 |
| 2023 | 1235 | 2589 |
| 2024 | 1392 | 2856 |
| 2025 | 1451 | 2657 |
| 2026 | 968 | 2099 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C12Y 302/00Hydrolases acting on glycosyl compounds, i.e. glycosylases5,171
- C12Y 304/00Hydrolases acting on peptide bonds, i.e. peptidases4,541
- C12Y 301/00Hydrolases acting on ester bonds3,364
- C12Y 207/00Transferases transferring phosphorus-containing groups3,091
- C12Y 101/00Oxidoreductases acting on the ch-oh group of donors1,709
- C12Y 114/00Oxidoreductases acting on paired donors, with incorporation or reduction of molecular oxygen1,232
- C12Y 203/00Acyltransferases1,174
- C12Y 204/00Glycosyltransferases1,109
All 66 main groupsShow fewer
- C12Y 305/00Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds1,051
- C12Y 402/00Carbon-oxygen lyases944
- C12Y 401/00Carbon-carbon lyases882
- C12Y 113/00Oxidoreductases acting on single donors with incorporation of molecular oxygen650
- C12Y 102/00Oxidoreductases acting on the aldehyde or oxo group of donors633
- C12Y 205/00Transferases transferring alkyl or aryl groups, other than methyl groups492
- C12Y 306/00Hydrolases acting on acid anhydrides416
- C12Y 201/00Transferases transferring one-carbon groups407
- C12Y 111/00Oxidoreductases acting on a peroxide as acceptor397
- C12Y 503/00Intramolecular oxidoreductases366
- C12Y 103/00Oxidoreductases acting on the ch-ch group of donors365
- C12Y 603/00Ligases forming carbon-nitrogen bonds316
- C12Y 206/00Transferases transferring nitrogenous groups311
- C12Y 104/00Oxidoreductases acting on the ch-nh2 group of donors264
- C12Y 106/00Oxidoreductases acting on nadh or nadph236
- C12Y 602/00Ligases forming carbon-sulfur bonds230
- C12Y 601/00Ligases forming carbon-oxygen bonds198
- C12Y 202/00Transferases transferring aldehyde or ketonic groups194
- C12Y 504/00Intramolecular transferases193
- C12Y 110/00Oxidoreductases acting on diphenols and related substances as donors192
- C12Y 403/00Carbon-nitrogen lyases181
- C12Y 501/00Racemaces and epimerases179
- C12Y 115/00Oxidoreductases acting on superoxide as acceptor177
- C12Y 604/00Ligases forming carbon-carbon bonds171
- C12Y 105/00Oxidoreductases acting on the ch-nh group of donors169
- C12Y 208/00Transferases transferring sulfur-containing groups162
- C12Y 108/00Oxidoreductases acting on sulfur groups as donors157
- C12Y 502/00Cis-trans-isomerases154
- C12Y 107/00Oxidoreductases acting on other nitrogenous compounds as donors102
- C12Y 406/00Phosphorus-oxygen lyases93
- C12Y 404/00Carbon-sulfur lyases88
- C12Y 116/00Oxidoreductases oxidizing metal ions76
- C12Y 605/00Ligases forming phosphoric ester bonds70
- C12Y 118/00Oxidoreductases acting on iron-sulfur proteins as donors67
- C12Y 505/00Intramolecular lyases60
- C12Y 117/00Oxidoreductases acting on ch or ch2 groups59
- C12Y 599/00Enzymes: other isomerases56
- C12Y 121/00Oxidoreductases acting on x-h and y-h to form an x-y bond55
- C12Y 308/00Hydrolases acting on halide bonds53
- C12Y 303/00Hydrolases acting on ether bonds37
- C12Y 310/00Hydrolases acting on sulfur-nitrogen bonds32
- C12Y 112/00Oxidoreductases acting on hydrogen as donor23
- C12Y 120/00Oxidoreductases acting on phosphorus or arsenic in donors22
- C12Y 307/00Hydrolases acting on carbon-carbon bonds18
- C12Y 109/00Oxidoreductases acting on a heme group of donors17
- C12Y 499/00Enzymes: other lyases17
- C12Y 197/00Enzymes: other oxidoreductases15
- C12Y 600/00Ligases10
- C12Y 209/00Transferases transferring selenium-containing groups3
- C12Y 119/00Oxidoreductases acting on reduced flavodoxin as donor2
- C12Y 309/00Hydrolases acting on phosphorus-nitrogen bonds1
- C12Y 122/00Oxidoreductases acting on halogen in donors0
- C12Y 210/00Transferases transferring molybdenum- or tungsten-containing groups0
- C12Y 311/00Hydrolases acting on carbon-phosphorus bonds0
- C12Y 312/00Hydrolases acting on sulfur-sulfur bonds0
- C12Y 313/00Hydrolases acting on carbon-sulfur bonds0
- C12Y 405/00Carbon-halide lyases0
- C12Y 606/00Ligases forming nitrogen-metal bonds0
Recent patents
- Engineered cells and uses thereof6 Oct 2026US 12,751,929 B2Ohio State Innovation Foundation
- Tumor-targeting Salmonella gallinarum strain and use thereof6 Oct 2026US 12,751,978 B2Industry Foundation of Chonnam National University
- Protease composition6 Oct 2026US 12,751,997 B2Anatara Lifesciences Limited
- Disruption of CD28-sialoside ligand complexes to enhance T cell activation6 Oct 2026US 12,752,014 B2The Scripps Research Institute
- Engineered meganucleases having specificity for a recognition sequence in the hydroxyacid oxidase 1 gene6 Oct 2026US 12,752,019 B2Precision BioSciences, Inc.
- Humanized ace2-expressing transgenic mouse susceptible to sars-cov-2 virus infection and method for producing same8 Oct 2026US 2026/0305587 A1Seoul National University R&Db Foundation
- Enzymatic modification of galactolipids in food8 Oct 2026US 2026/0305624 A1International N&H Denmark Aps
- Combination of nonmaltogenic exoamylase and glucoamylase for improving bread resilience and reducing amount of added sugars8 Oct 2026US 2026/0305625 A1International N&H Denmark Aps
- Method for producing plant-based cheese8 Oct 2026US 2026/0305639 A1Amano Enzyme Inc.
- Compositions and related kits for treating dog dental health8 Oct 2026US 2026/0306386 A1Life's Abundance
Most cited
By later US patents
- Delivery of exogenous DNA sequences in a mammal1,218US 5,580,859 AVical Incorporated · 1996
- Soybean transgenic event MON 87708 and methods of use thereof1,155US 8,501,407 B2Monsanto Technology LLC · 2013
- Induction of a protective immune response in a mammal by injecting a DNA sequence885US 5,589,466 AVical Incorporated · 1996
- Methods for in vitro recombination882US 5,605,793 AAffymax Technologies N.V. · 1997
- Methods and compositions for cellular and metabolic engineering844US 5,837,458 AMaxygen, Inc. · 1998