Jiaxiao Zhang Jiaxiao Zhang

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Jiaxiao Zhang focuses her practice on intellectual property litigation matters. Jiaxiao has experience in federal district court actions in California, Texas, and Florida, and proceedings before the US Patent Trial and Appeal Board (PTAB) of the US Patent and Trademark Office (USPTO). Read Jiaxiao Zhang's full bio.

Bascom Cannot Save Your Claims if Your Own Patent Says You Used Known Technology


By on Sep 9, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit affirmed a district court determination that claims of several patents were patent ineligible under 35 U.S.C. § 101 because they did not recite an innovation with sufficient specificity to constitute an improvement to computer functionality. Universal Secure Registry LLC v. Apple Inc., Case No. 20-2044 (Fed....

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Absent Explicit Statutory Language? The American Rule Still Applies


By on Sep 2, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit vacated a district court’s award of attorney’s fees under the prevailing party rule but affirmed the district court’s denial of the US Patent & Trademark Office’s (PTO) request for expert witness fees under 35 U.S.C. § 145. Hyatt v. Hirshfeld, Case Nos. 20-2321;–2325 (Fed. Cir. Aug....

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Without More, Mere Automation is Abstract—Not Construing Interchangeable Terms Doesn’t Give Them the Cold Shoulder


By on Aug 19, 2021
Posted In Patents

In the latest development relating to patent eligibility of content-based identifier patents, the US Court of Appeals for the Federal Circuit affirmed decisions finding patent claims ineligible under 35 U.S.C. § 101. PersonalWeb Techs. LLC v. Google LLC, YouTube, LLC, Case No. 20-1543 (Fed. Cir. Aug. 12, 2021) (Prost, J.) (consolidating PersonalWeb Techs. LLC v....

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As Due Process Recognizes, it’s Hard to Shoot at a Moving Claim Construction Target


By on Aug 5, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit vacated several Patent Trial & Appeal Board (PTAB) decisions as violating due process and the Administrative Procedure Act (APA), referencing the parties’ inability to respond to the PTAB’s sua sponte construction of a term on which the parties had previously agreed. Qualcomm Inc. v. Intel Corp.,...

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What You Say Can and Will be Used Against You – Prosecution History and Prior Infringement Arguments


By on Jun 10, 2021
Posted In Patents

Noting patent owner’s prior litigation statements, the US Court of Appeals for the Federal Circuit upheld a district court ruling that a clear and unmistakable disclaimer in the prosecution history affected claim construction of an asserted patent. SpeedTrack, Inc. v. Amazon.com, Inc., Case No. 20-1573 (Fed. Cir. June 3, 2021) (Prost, J.) In 2009, SpeedTrack...

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Navigating the Interplay Between the ITC, PTAB and District Courts


By on Jun 3, 2021
Posted In Patents

Recent changes in intellectual property law in the US International Trade Commission (ITC), the Patent Trial and Appeal Board (PTAB) and federal US District Courts have had major impacts on litigation strategy and business operations. Within these venues, key changes often run parallel to each other, and understanding and maximizing the interplay between them is...

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PTO Rules Not Subject to the Paperwork Reduction Act


By on May 27, 2021
Posted In Patents

The US Court of Appeals for the Ninth Circuit concluded that certain challenged rules of the US Patent and Trademark Office (PTO) that relate to the patent application process do not violate the Paperwork Reduction Act (PRA) because each called for a response to an individualized communication; a category which is expressly exempted from the...

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Arthrex Argument May Be Available in Round Two


By on May 20, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit found that a party did not waive the Patent Trial & Appeal Board’s (Board) constitutionality argument by raising it for the first time in its opening brief because the Court’s decision in Arthrex, Inc. v. Smith & Nephew, Inc. was issued after the party sought rehearing....

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No Second Bite at the Apple: Injury Must Be Imminent and Non-Speculative to Support Standing


By on Apr 15, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit ruled that a party did not have Article III appellate standing to obtain review of a final ruling of the Patent Trial & Appeal Board because the underlying district court proceedings had been dismissed with prejudice after a settlement and license agreement were reached. Apple Inc....

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No Estoppel in the Name of Different Interests and Claims


By on Mar 17, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit found that 35 USC § 314(d) did not bar its review of a Patent Trial & Appeal Board determination that a petitioner was not estopped from maintaining inter partes review (IPR) proceedings since the alleged estoppel-triggering event occurred post-institution. Uniloc 2017 LLC v. Facebook Inc., Case...

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