Recently, the Patent Trial and Appeal Board (“the Board”) was persuaded to consider the merits of three out of seven concurrent petitions for an inter partes review of a single patent due to the patent’s complicated claiming...more
4/28/2025
/ Apple ,
Claim Construction ,
Intellectual Property Litigation ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art
The PTAB recently provided a pre-AIA priority analysis for reference patents in Roku, Inc. v. Anonymous Media Research Holdings, LLC, No. IPR2024-01057, Paper 10 (P.T.A.B. Feb. 10, 2025). This decision highlights the...more
4/9/2025
/ America Invents Act ,
Claim Construction ,
Disclosure Requirements ,
Filing Deadlines ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
Provisional Applications ,
Roku
Honeywell filed a petition for inter partes review of 3G Licensing’s U.S. Patent No. 7,319,718, which claims a coding scheme for transmitting information in 3G mobile communication systems. The PTAB found none of the...more
Recently, a Director Review was granted where Director Vidal vacated the Patent Trial and Appeals Board’s (“PTAB”) Final Written Decision and remanded back to the PTAB for further consideration of enablement. Duration Media...more
2/25/2025
/ Appeals ,
Enablement Inquiries ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
USPTO
Palo Alto Networks (PAN) filed a petition for inter partes review of Centripetal Networks’ patent—U.S. Patent No. 10,530,903—which is directed to a computing system for correlating packets in communication networks with a...more
The PTAB recently denied institution of inter partes review of a patent directed to deep packet inspection in software defined networks in Juniper Networks, Inc. v. Orckit Corporation, IPR2024-00895. Applying the General...more
On appeal from an inter partes review (“IPR”), the Federal Circuit held that, under pre-America Invents Act (“pre-AIA”) law, a published patent application is prior art as of its filing date as opposed to its later date of...more
The Patent Trial and Appeal Board (“PTAB”) recently denied institution in an inter partes review (“IPR”) where Petitioner later filed a parallel petition against the same claims of the same patent. Shenzhen Root Tech. Co.,...more
1/23/2025
/ Appeals ,
Denial of Institution ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
Trial Practice Guidance ,
USPTO
When issued patent drawings are not explicitly made to scale, the Federal Circuit recently confirmed that arguments relying solely or predominately on the features of those drawings, such as line thickness, are “unavailing.” ...more
The PTAB denied institution of inter partes review (IPR) for a patent directed to geothermal technology. Fervo Energy Co. v. Ormat Techs. Inc., IPR2014-00665, Paper 18 (PTAB Sept. 18, 2024). The claimed invention related to...more
“Expert testimony that does not disclose the underlying facts or data on which the opinion is based is entitled to little or no weight.” 37 C.F.R. § 42.65(a). With that principle in mind, the PTAB recently denied institution...more
On October 25, 2024, the United States District Court for the Eastern District of Pennsylvania ordered Comcast Corporation (“Comcast”) to identify the date on which it learned of each patent, patent application, and printed...more
Recently, the Patent Trial and Appeals Board (“PTAB”) released a final written decision finding no challenged claims were unpatentable in Duration Media LLC v. Rich Media Club LLC, IPR2023-00953, Paper 74 (August 19, 2024). ...more
In Sanho Corp. v. Kaijet Technology International Limited, Inc, the Federal Circuit affirmed the PTAB’s decision finding obvious all challenged claims of the ‘429 patent, which relates to a device that provides ports for...more
The Federal Circuit in Voice Tech Corp. v. Unified Patents, LLC, No. 2022-2163 (Fed. Cir. Aug. 1, 2024) (Lourie, Chen, and Cunningham), affirmed the PTAB’s determination that claims of Voice Tech Corp.’s (“Voice Tech”) U.S....more
8/21/2024
/ Claim Construction ,
Computer-Related Inventions ,
Final Written Decisions ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Mobile Devices ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Petition For Rehearing ,
Prior Art
Those following this blog knew change was coming to design patent obviousness in the LKQ v. GM decision by the en banc Federal Circuit. In its May 21, 2024 decision, the court overruled the long-standing Rosen-Durling test...more
6/20/2024
/ Design Patent ,
Examiners ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
USPTO
In a Final Written Decision, the PTAB declared claims of a patent unpatentable after finding the patent was not entitled to the earlier priority date of the anticipatory reference in Platinum Optics Technology, Inc. v. Viavi...more
6/17/2024
/ Final Written Decisions ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Inventions ,
Inventors ,
Patent Infringement ,
Patent Litigation ,
Patent Ownership ,
Patent Trial and Appeal Board ,
Patent-Eligible Subject Matter ,
Patents ,
Prior Art
The Board declined to institute inter partes review because Petitioner failed to identify adequate corresponding structure in the challenged patent that performed the function of claim limitation that was to be construed...more
On April 5, 2024, Director Vidal vacated and remanded the Patent Trial and Appeal Board’s (PTAB’s) denial of institution of inter partes review (IPR) where the Petitioner relied on a drawing in a prior art patent document to...more
5/10/2024
/ Denial of Institution ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Ownership ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
Vacated
The USPTO is seeking public input on whether prior art must be authored by humans and how, if at all, AI-generated disclosures should be treated differently from non-AI generated disclosures....more
The PTAB recently denied Trend Micro, Inc.’s (Petitioner) inter partes review petition against Open Text, Inc. and Webroot, Inc. (Patent Owners) challenging all claims of U.S. Pat. No. 8,201,243. Trend Micro, Inc. v. Open...more
It goes without saying that claim construction is an important issue, but the PTAB’s recent decision in Netflix, Inc. v. DIVX, LLC, IPR2020-00558, Paper 66 (PTAB Feb. 22, 2024), shows not only that reasonable minds can differ...more
3/29/2024
/ Claim Construction ,
Intellectual Property Litigation ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Litigation ,
Patent Ownership ,
Patent Trial and Appeal Board ,
Patent-Eligible Subject Matter ,
Patents ,
Prior Art
In Pacific Biosciences of California, Inc. v. Personal Genomics Taiwan, Inc., the Federal Circuit recently affirmed two PTAB decisions in IPRs filed by Pacific Biosciences of California, Inc. (PacBio) that challenged a...more
In a recent decision, the Patent Trial and Appeals Board found that the disputed claims regarding transferring digital content were not unpatentable under 35 U.S.C. § 103(a) after determining that the prior art cited by the...more
The PTAB recently denied IPR institution in Sophos v. Open Text because the petitioner failed to show a reasonable likelihood that the asserted reference was, in fact, prior art. IPR2023-00732, Paper 23 (November 2, 2023)....more