Last month, the Federal Circuit affirmed the District Court of Delaware's decision in Persion Pharmaceuticals v. Alvogen invalidating as obvious two Persion patents claiming methods of treating pain in patients with hepatic impairment (compromised liver functionality) using hydrocodone. Important to the Federal Circuit's decision was the concept of "inherency."... Read more
In an order last month, the Delaware district court ruled that some communications involving Onyx's patent agent were not privileged and must be produced to Cipla. The court's order highlights potential pitfalls when relying upon advice solely from patent agents.... Read more
Last week, the Federal Circuit issued its opinion in Boston University (BU) v. Everlight, in which the court found that the only asserted claim (claim 19) was invalid for lack of enablement because 1/6 (17%) of the claimed subject matter was "physically impossible."
Claim 19 was the only claim asserted at trial. The claim was directed to a semiconductor device comprising a substrate, a non-single crystalline buffer layer, and a growth layer grown on the buffer layer.... Read more
Earlier this month, the Federal Circuit issued an opinion in Jazz Pharmaceuticals v. Amneal Pharmaceuticals, upholding the PTAB's finding that certain materials related to the FDA regulatory review process for Xyrem® were sufficiently accessible to the public to constitute prior art to seven Jazz patents. These materials (the "ACA materials") were accessible via a link on the FDA website "where background material would be posted before the meeting, and the meeting minutes, transcript, and slides would be posted after the meeting."... Read more
In March, the PTAB denied institution of Coherus's IPRs against Hoffman-LaRoche (2017-1916 and 2017-2066). Previously, however, the PTAB instituted Coherus's early IPRs against Abbvie (2016-172, 2016-0188, and 2016-0189). Can any lessons be learned from the different outcomes in these cases?... Read more
In a recent IPR between Apotex v. OSI Pharmaceuticals, the PTAB relied on an OSI Securities and Exchange Commission (SEC) filing, a 10-K, to find the challenged claims unpatentable. (A 10-K is an SEC filing that provides a summary of a company's financial performance).... Read more