8501730

3 known cases. View patent page →

Otsuka Pharmaceutical Co., Ltd. v. Lupin Ltd. et al.

Judgment
Docket:
21-900-RGA
Terminated:
2026-05-21

The District Court found Lupin did not infringe US Patent 8501730 and US Patent 8273735, with US Patent 8273735 also found invalid as obvious. On appeal, the Federal Circuit affirmed the non-infringement finding for 8501730, but controversially determined its asserted method claims were invalid as obvious.