US Patent Litigations are now available. Check here

Explore Norpharma's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Jun 12, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP1731152May 1, 2013Sustained Analgesia Achieved With Transdermal Delivery Of Buprenorphine3