Chugai Pharmaceutical has filed patent infringement suits against Daiichi Sankyo and Pfizer Japan, seeking to block the launch of their biosimilar versions of its anti-HER2 monoclonal antibody Herceptin (trastuzumab). Chugai and Genentech, both Roche group companies, filed the lawsuits with…
To read the full story
Related Article
- Chugai Drops Herceptin Patent Suits against Daiichi Sankyo, Pfizer
November 1, 2018
- Daiichi Sankyo, Pfizer Grab Japan Approval for Herceptin Biosimilars
September 25, 2018
BUSINESS
- Leqembi FY2025 Global Sales Reach 88 Billion Yen: Eisai
May 1, 2026
- Rohto Files CMV Corneal Endotheliitis Drug in Japan
May 1, 2026
- Mochida Files in Japan for PAH Drug Tyvaso DPI
May 1, 2026
- Tanabe Clinches EU Approval for Parkinson’s Drug Onerji
May 1, 2026
- 3D “Deeply Disappointed” by Toho Plan to Seek Defense Trigger Approval
May 1, 2026
In the complex landscape of the Japanese pharmaceutical market, the “status quo” is often the safest harbor. But for leaders like Kennet Brysting, former president of Gilead Japan, the status quo is the most dangerous place to stay.Innovation in Japan…





