Markman Advisors
Patent Valuation, Monetization and Investments


Markman Advisors Patent Blog

Posts tagged severe pain
Are polymorph patents necessarily obvious? A recent CAFC decision may read-through to Revlimid’s polymorph patents.

The Federal Circuit has issued a precedential decision addressing whether a patent covering a given polymorph was invalid as obvious, Grunenthal GmbH v. Alkem Laboratories Ltd.  Though the Court explained that it was not establishing a categorical rule that polymorph patents can never be obvious, the case nonetheless provides important guidelines for when a polymorph patents are likely to be invalid.  For those following Revlimid®’s patent cases, the immediate question is—does the Grunenthal case have read-through to Celgene’s polymorph patents? 

Read More