A61K 31/438
The ring being spiro-condensed with carbocyclic or heterocyclic ring systems
A61K31/438 (The ring being spiro-condensed with carbocyclic or heterocyclic ring systems) appears on 532 US grants and 1,046 published applications in this corpus.
Search patents in A61K- Granted patents
- 532
- Published applications
- 1,046
- Assignees
- 489
- Inventors
- 3,009
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 2 |
| 2002 | 7 | 8 |
| 2003 | 9 | 12 |
| 2004 | 3 | 12 |
| 2005 | 2 | 10 |
| 2006 | 3 | 12 |
| 2007 | 3 | 12 |
| 2008 | 3 | 22 |
| 2009 | 3 | 10 |
| 2010 | 9 | 20 |
| 2011 | 10 | 36 |
| 2012 | 8 | 32 |
| 2013 | 23 | 29 |
| 2014 | 25 | 32 |
| 2015 | 33 | 47 |
| 2016 | 27 | 44 |
| 2017 | 34 | 41 |
| 2018 | 33 | 39 |
| 2019 | 35 | 52 |
| 2020 | 25 | 68 |
| 2021 | 44 | 62 |
| 2022 | 26 | 67 |
| 2023 | 33 | 72 |
| 2024 | 31 | 95 |
| 2025 | 41 | 118 |
| 2026 | 17 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Crystal form of compound and use thereof1 Sep 2026US 12,723,050 B2Tennor Therapeutics (Suzhou) Limited
- Bacterial DNA gyrase inhibitors and methods of use thereof25 Aug 2026US 12,714,692 B2The Florida International University Board of Trustees
- Benzimidazole inhibitors of PAD enzymes28 Jul 2026US 12,692,254 B2
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Kif18a inhibitor compound, and pharmaceutical composition and preparation method therefor and use thereof1 Oct 2026US 2026/0294927 A1Changchun Genescience Pharmaceutical Co., Ltd.
- Biarylamide derivatives and their use as pkmyt1 inhibitors1 Oct 2026US 2026/0297042 A1Cancer Research Technology Limited
- Salt of piperidylindole compound and preparation method therefor1 Oct 2026US 2026/0297055 A1Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
- Substituted thiophene fused derivatives, compositions comprising the same and their use as pharmaceuticals24 Sep 2026US 2026/0285829 A1Neurasic Therapeutics Inc.
Most cited
By later US patents
- Substituted 3-(benzylamino)piperidine derivatives and their use as therapeutic agents82US 6,214,846 B1Merck Sharp & Dohme Corp. · 2001
- Wet granulation formulation of a growth hormone secretagogue74US 6,123,964 AMerck & Co., Inc. · 2000
- Method for treating attention deficit disorder62US 6,121,261 AMerck & Co., Inc. · 2000
- Inhibitors of hedgehog signaling pathways, compositions and uses related thereto58US 7,291,626 B1John Hopkins University School of Medicine · 2007
- Topical application of spiperone or derivatives thereof for treatment of pathological conditions associated with immune responses48US 5,703,088 ABeth Israel Deaconess Medical Center, Inc. · 1997