- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/438 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring being spiro-condensed with carbocyclic or heterocyclic ring systems
Patent holdings for IPC class A61K 31/438
Total number of patents in this class: 1516
10-year publication summary
|
68
|
65
|
68
|
91
|
108
|
131
|
139
|
126
|
138
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3689 |
48 |
| Pfizer Inc. | 3322 |
42 |
| RedHill Biopharma Ltd. | 96 |
29 |
| Novartis AG | 11238 |
25 |
| Bristol-myers Squibb Company | 5080 |
23 |
| F. Hoffmann-La Roche AG | 7958 |
23 |
| Merck Sharp & Dohme Corp. | 2247 |
23 |
| Boehringer Ingelheim International GmbH | 4629 |
20 |
| Takeda Pharmaceutical Company Limited | 2961 |
19 |
| Bioversys AG | 57 |
19 |
| Vertex Pharmaceuticals Incorporated | 1581 |
18 |
| Merck & Co., Inc. | 607 |
17 |
| AstraZeneca AB | 3042 |
17 |
| VALO Health, Inc. | 147 |
17 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
16 |
| Janssen Pharmaceutica N.V. | 3839 |
15 |
| Eli Lilly and Company | 3645 |
15 |
| Grünenthal GmbH | 625 |
14 |
| Incyte Corporation | 918 |
13 |
| Amgen Inc. | 3779 |
12 |
| Other owners | 1091 |