The Patent Trial and Appeal Board has denied institution of an inter partes review, in part because the petitioner failed to show that a key reference qualified as prior art. The PTAB ruled that the petitioner was required to...more
A judge in the District of Delaware has ruled that an estoppel under 35 U.S.C. § 315(e)(2) does not apply to prior-art products, even if those products are “cumulative” of prior-art patents or printed publications that were...more
The Patent Trial and Appeal Board denied institution of a petition for inter partes review (IPR), in part because an allegedly anticipatory prior art patent lacked an element of what the board determined was a limiting...more
A district court has ruled that the scope of IPR estoppel under 35 U.S.C. § 315(e)(2) did not apply to invalidity grounds that relied on physical products. The court also declined to apply judicial estoppel, notwithstanding...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
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
A district court has denied a patent owner’s motion to strike wholesale a defendant’s affirmative defense of invalidity. The key issue in the motion to strike was the application of the estoppel provision of 35 U.S.C. §...more
11/13/2019
/ Affirmative Defenses ,
Estoppel ,
Evidence ,
Final Written Decisions ,
FRCP 12(f) ,
Inter Partes Review (IPR) Proceeding ,
Motion To Strike ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent-Eligible Subject Matter ,
Patents ,
Pleadings ,
Post-Grant Review ,
Prior Art ,
Question of Fact ,
Section 101
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