On November 18, 2022, a panel of three PTAB administrative patent judges denied a Patent Owner’s Request for Additional Discovery in Twitter, Inc. v. Palo Alto Research Center Inc., IPR2021-01398. The PTAB found that...more
In Fantasia Trading LLC v. Cognipower LLC, IPR2021-00070, Paper 21 (May 20, 2021), the Patent Trial and Appeal Board (PTAB) declined to institute inter partes review (IPR) where Petitioner Fantasia Trading LLC failed to...more
In General Access Sols., Ltd. v. Sprint Spectrum, et al., No. 2:20-cv-00007-RWS, ECF No. 128 (E.D. Tex. Dec. 1, 2020), the Eastern District of Texas denied a motion to strike invalidity defenses as barred by IPR estoppel for...more
In Samsung Elecs Co., Ltd., et al. v. Cellect, LLC, IPR2020-00474, Paper 14 (P.T.A.B. Aug. 17, 2020), the PTAB denied institution of U.S. Patent No. 6,982,740 (“the '740 patent”), finding that the specification did not...more
8/26/2020
/ Claim Construction ,
Denial of Institution ,
Incorporated by Reference ,
Inter Partes Review (IPR) Proceeding ,
Means-Plus-Function ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
POSITA ,
Prior Art ,
Samsung
In 3Shape A/S v. Align Tech., Inc., IPR2020-00223, Paper 12 (May 26, 2020), the PTAB declined to deny institution of an inter partes review involving a patent challenged in a pending ITC investigation. Despite the advanced...more
In a series of IPR proceedings between Petitioner Adobe Inc. and Patent Owner RAH Color Technologies LLC, the Patent Trial and Appeal Board declined to extend attorney work product protection to deposition questions seeking...more
1/28/2020
/ Attorney Communications ,
Discovery ,
FRCP 26 ,
Inter Partes Review (IPR) Proceeding ,
Motion to Compel ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
Testimony ,
Work-Product Doctrine
Assignor estoppel is an equitable doctrine that prevents a party who assigns a patent to another from later challenging the validity of the assigned patent. As reported in a prior post, the Federal Circuit recently stated...more