Patent holdings for IPC class C07D 261/20

Total number of patents in this class: 375

10-year publication summary

35
26
26
21
25
22
24
16
26
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Bristol-myers Squibb Company
4815
16
President and Fellows of Harvard College
6055
11
Purdue Pharma L.P.
493
11
BioCryst Pharmaceuticals, Inc.
180
10
Theravance Biopharma R&D IP, LLC
425
9
Abbvie Inc.
1840
7
University of Georgia Research Foundation, Inc.
1067
7
Enanta Pharmaceuticals, Inc.
433
6
Calico Life Sciences LLC
104
6
Abiogen Pharma S.p.A.
154
5
Shanghai Institute of Materia Medica, Chinese Academy of Sciences
858
5
SynAffix B.V.
120
5
Ctxt Pty Ltd
59
5
Sumitomo Pharma Co., Ltd.
539
5
Merck Sharp & Dohme LLC
3732
5
F. Hoffmann-La Roche AG
7841
4
CHDI Foundation, Inc.
106
4
Sunshine Lake Pharma Co., Ltd.
619
4
Tetraphase Pharmaceuticals, Inc.
52
4
Yale University
2493
4
Other owners 242