Tag Archives: Argentum

PTAB Upholds Alcon Patent For Glaucoma Treatment

As reported by Law360 at URL: https://www.law360.com/ip/articles/1085124/ptab-upholds-alcon-patent-for-glaucoma-treatment

The Final Written Decision itself is included below, and can be downloaded by clicking this link:


The patent may be viewed at the USPTO website at

PTAB Upholds Alcon Patent For Glaucoma Treatment

Law360 (September 21, 2018, 8:52 PM EDT) — The Patent Trial and Appeal Board on Thursday upheld the validity of an Alcon patent covering the glaucoma treatment Travatan Z, rejecting arguments by generics maker Argentum that the invention was obvious.

The board held that Argentum Pharmaceuticals LLC failed to establish that a combination of publications and patents that preceded Alcon Research Ltd.’s patent would have made the challenged patent claims obvious for an ordinarily skilled artisan, according to the final written decision. Continue reading