Coherus Knocks Out One Humira Patent But Others Block Biosimilars

 
• By Brenda Sandburg
  
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Patent Trial and Appeal Board invalidates patent on method to treat rheumatoid arthritis; next hurdle is overcoming formulation patents that do not expire until 2022.

Coherus BioSciences Inc. put a dent in AbbVie Inc.'s Humira (adalimumab) patent portfolio as the US Patent and Trademark Office's Patent Trial and Appeal Board (PTBA) invalidated a patent covering a method of treating rheumatoid arthritis. But the bigger challenge is whether Coherus and other biosimilar sponsors will be able to get around formulation patents that extend until 2022.

On May 16, PTAB issued a final written decision on Coherus' inter partes review (IPR) petition challenging patent...

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