Tariffs have been a defining feature of US trade policy under President Donald Trump’s second administration. Since Trump unveiled his “reciprocal” tariff policy in April 2025, the landscape has shifted repeatedly.In February 2026, the US Supreme Court invalidated tariffs imposed…
BUSINESS
Chugai Now Takes Nissan Chemical to Court over Edirol Patent, Seeks Damages from Sawai, Nichi-Iko Too
Chugai Pharmaceutical has launched another patent lawsuit in Japan involving its osteoporosis treatment Edirol (eldecalcitol), this time bringing Nissan Chemical to court in an attempt to block its raw material production for the API eldecalcitol. In the suit filed with…
To read the full story
Related Article
- Chugai’s Appeal Bid for Edirol Method-of-Use Patent Dismissed
December 14, 2022
- Chugai Challenges Ruling in Method-of-Use Patent Case for Edirol
June 10, 2022
- Tokyo Court Nixes Chugai’s Method-of-Use Patent Claim for Edirol
May 30, 2022
- Chugai Won’t Challenge Edirol Substance Patent Ruling
March 11, 2022
- Tokyo Court Rejects Chugai’s Claim over Edirol Substance Patent
February 25, 2022
- Towa Bags Approval of Edirol AG through Partial Change of Its Version
December 7, 2021
- Chugai Re-Files Patent Suit over Edirol, Now Focuses on Crystalline Form
February 18, 2021
- Chugai Drops Suit over Edirol Substance Patent, Row Continues for Method-of-Use
January 28, 2021
- Chugai Files Patent Litigation against Sawai, Nichi-Iko over Edirol Copies
June 1, 2020
BUSINESS
- Regeneron Files MM Drug Linvoseltamab in Japan
November 6, 2026
- Fuji Pharma Recalls Eylea Biosimilar Lots over Faulty Finger Grips
November 6, 2026
- Medipal Sets Dec. 15 Shareholder Meeting, Opposes Chairman’s Ouster
November 6, 2026
- Nitrosamine Impurities Reported for Generic Telmisartan; No Recalls Planned
November 6, 2026
- Bracco Japan to Acquire Iopamiron from Bayer in July 2027
November 6, 2026





