In an ANDA case in the District of Delaware, the court has rejected an obviousness challenge to a patented method of increasing survival in patients having prostate cancer. The court found that early clinical trial results...more
Objective evidence of nonobviousness traces its roots to 19th century case law from the U.S. Supreme Court.
The analysis of such secondary considerations as commercial success, failure of others, and long-felt but...more
A district court has ruled that the statutory estoppel arising from an inter partes review (IPR) proceeding does not apply to anticipation and obviousness defenses that rely significantly on a physical device. The court also...more
An accused infringer in a district court case could not take advantage of a prior claim construction ruling from an inter partes review (IPR) proceeding involving unasserted claims of the same patent. The Patent Trial and...more
In a remanded inter partes review (IPR) proceeding, the Patent Trial and Appeal Board (PTAB) held that Patent Owner Intellectual Ventures II LLC had successfully antedated a prior art reference asserted by Petitioner Motorola...more
Chief Judge Stark granted a patent owner’s motion for summary judgment of inter partes review (IPR) estoppel, holding that obviousness defenses based on a prior art product could not be asserted because a prior art...more
2/3/2020
/ Estoppel ,
Evidence ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patents ,
Printed Publications ,
Prior Art ,
Summary Judgment
The Patent Trial and Appeal Board (PTAB) has rejected a patent owner’s argument that judicial estoppel should prevent a petitioner from making obviousness arguments in support of its petition for inter partes review (IPR)....more
The Patent Trial and Appeal Board has granted in part a Patent Owner’s motion to strike Petitioner’s Reply for improperly raising new arguments and citing new evidence. The Board, however, declined to throw out the entirety...more
10/14/2019
/ Expert Testimony ,
Inter Partes Review (IPR) Proceeding ,
Motion To Strike ,
Obviousness ,
Patent Litigation ,
Patent Prosecution History ,
Patent Trial and Appeal Board ,
Patents ,
Petitioner Reply Briefs ,
Prior Art ,
SAS Institute Inc. v Iancu ,
State of the Art Defense
A judge in the Northern District of California has enjoined a group of defendants from selling a laboratory DNA sequencing machine. The plaintiff first asserted the patent against one defendant in litigation in the District...more