A61K
Medicines and medical preparations
Official title: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
A61K (Medicines and medical preparations) appears on 320,847 US grants and 483,268 published applications in this corpus.
Search patents in A61K- Granted patents
- 320,847
- Published applications
- 483,268
- Assignees
- 73,606
- Inventors
- 522,907
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1350 | 0 |
| 1977 | 1222 | 0 |
| 1978 | 1139 | 0 |
| 1979 | 901 | 0 |
| 1980 | 1073 | 0 |
| 1981 | 1155 | 0 |
| 1982 | 1111 | 0 |
| 1983 | 1051 | 0 |
| 1984 | 1317 | 0 |
| 1985 | 1237 | 0 |
| 1986 | 1353 | 0 |
| 1987 | 1690 | 0 |
| 1988 | 1761 | 0 |
| 1989 | 2478 | 0 |
| 1990 | 2288 | 0 |
| 1991 | 2635 | 0 |
| 1992 | 2790 | 0 |
| 1993 | 3110 | 0 |
| 1994 | 2825 | 0 |
| 1995 | 3216 | 0 |
| 1996 | 4196 | 0 |
| 1997 | 6027 | 0 |
| 1998 | 7431 | 0 |
| 1999 | 7815 | 0 |
| 2000 | 7032 | 0 |
| 2001 | 7612 | 2481 |
| 2002 | 7680 | 11419 |
| 2003 | 7085 | 17112 |
| 2004 | 5397 | 16564 |
| 2005 | 4701 | 16044 |
| 2006 | 5962 | 15306 |
| 2007 | 5320 | 14468 |
| 2008 | 5113 | 14766 |
| 2009 | 5189 | 16152 |
| 2010 | 7268 | 17839 |
| 2011 | 7236 | 17063 |
| 2012 | 8533 | 16470 |
| 2013 | 10542 | 17831 |
| 2014 | 12234 | 19974 |
| 2015 | 12765 | 20269 |
| 2016 | 12787 | 21248 |
| 2017 | 13832 | 21171 |
| 2018 | 13315 | 21256 |
| 2019 | 13991 | 22875 |
| 2020 | 14450 | 23958 |
| 2021 | 14021 | 24564 |
| 2022 | 12845 | 25135 |
| 2023 | 11516 | 24266 |
| 2024 | 11983 | 25203 |
| 2025 | 12362 | 22561 |
| 2026 | 8905 | 17273 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- A61K 31/00Medicinal preparations containing organic active ingredients131,600
- A61K 9/00Medicinal preparations characterised by special physical form78,062
- A61K 38/00Medicinal preparations containing peptides77,909
- A61K 47/00Medicinal preparations characterised by the non-active ingredients used51,529
- A61K 39/00Medicinal preparations containing antigens or antibodies50,644
- A61K 8/00Cosmetics or similar toiletry preparations41,568
- A61K 45/00Medicinal preparations containing active ingredients not provided for in groups a61k31/00 -41,233
- A61K 35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution20,982
All 22 main groupsShow fewer
- A61K 2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids usedIndexing code19,551
- A61K 36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or13,468
- A61K 48/00Medicinal preparations containing genetic material which is inserted into cells of the12,604
- A61K 33/00Medicinal preparations containing inorganic active ingredients11,252
- A61K 49/00Preparations for testing in vivo9,485
- A61K 51/00Preparations containing radioactive substances for use in therapy or testing in vivo6,893
- A61K 40/00Cellular immunotherapy6,316
- A61K 6/00Preparations for dentistry4,583
- A61K 41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation4,009
- A61K 2239/00Indexing codes associated with cellular immunotherapy of group a61k40/00Indexing code3,505
- A61K 2300/00Mixtures or combinations of active ingredients, wherein at least one active ingredientIndexing code2,157
- A61K 2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing materialIndexing code2,028
- A61K 2123/00Preparations for testing in vivoIndexing code1,471
- A61K 2121/00Preparations for use in therapyIndexing code872
Recent patents
- Aqueous solution for cell preservation6 Oct 2026US 12,751,446 B2Promocell GmbH
- Use of ionic polymers in biomass processing for preparation of animal feed additive6 Oct 2026US 12,751,470 B2Embion Technologies SA
- Method and apparatus for measuring intravascular blood flow using a backscattering contrast6 Oct 2026US 12,751,639 B2The General Hospital Corporation
- Compositions and methods for laser lithotripsy using nanoparticle fine-tuned NIR absorption6 Oct 2026US 12,751,766 B2Duke University
- Methods of forming an encapsulated core material, an encapsulated material, compositions uses thereof6 Oct 2026US 12,751,902 B2
- Genetically Modified Non-Human Animals and Methods of Use Thereof8 Oct 2026US 2026/0305588 A1Institute for Research in Biomedicine (IRB)
- Concentrated milk protein preparations8 Oct 2026US 2026/0305634 A150G Inc.
- Tea compositions comprising paraxanthine and methods of production thereof8 Oct 2026US 2026/0305643 A1
- Probiotic-fortified, high-protein food product and method of making same8 Oct 2026US 2026/0305659 A1
- Adaptogenic, high-protein food product and method of making same8 Oct 2026US 2026/0305660 A1
Most cited
By later US patents
- Humanized immunoglobulins2,884US 5,585,089 AProtein Design Labs, Inc. · 1996
- Directed evolution of novel binding proteins2,450US 5,223,409 AProtein Engineering Corporation · 1993
- Humanized immunoglobulins2,259US 5,530,101 AProtein Design Labs, Inc. · 1996
- Humanized immunoglobulins2,030US 5,693,762 AProtein Design Labs, Inc. · 1997
- Non-immunogenic polypeptides2,007US 4,179,337 A1979