Intellectual Pixels Limited v. Sony Interactive Entertainment LLC

This patent infringement litigation, Intellectual Pixels Limited v. Sony Interactive Entertainment LLC, case number 8:20-cv-01422, is before the U.S. District Court for the Central District of California, presided over by Judge James V. Selna and Magistrate Judge Karen E. Scott. The plaintiff, Intellectual Pixels Limited (IPL), is a United Kingdom-based entity whose listed business activities, including the leasing of intellectual property, strongly suggest it operates as a Non-Practicing Entity (NPE) or Patent Assertion Entity. The defendant, Sony Interactive Entertainment LLC (SIE), is a major American video game and digital entertainment operating company, a subsidiary of Sony Group Corporation, known for its PlayStation brand. Venue in the Central District of California is asserted by IPL due to Sony maintaining a regular place of business in Aliso Viejo, California, where the accused cloud-gaming technology was allegedly developed and managed following Sony's acquisition of Gaikai Inc.

The core of the dispute centers on U.S. Patent No. 10,681,109 (the '109 patent), which describes methods and systems for generating digital images using an external visual server. Specifically, the patent claims a system where a remote server handles all image generation in response to user inputs, generating and compressing updated images that are then streamed back to a thin client device for display. IPL alleges that Sony's cloud-gaming services, including PlayStation Now, Remote Play, and Share Play, infringe this patent. Originally, claims 1-18 were asserted, but claims 13-18 were subsequently disclaimed, leaving claims 1-12 at issue in the litigation. A key claim construction dispute revolves around whether a user's own PlayStation console, in the context of Remote Play and Share Play, qualifies as "a server" under the patent's terms.

This case is notable due to its "Critical" status and significant linkage to inter partes review (IPR) proceedings. Sony initiated IPR2021-00237 against the '109 patent, which has undergone multiple appeals to the Federal Circuit. Most recently, on July 10, 2026, the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) decision finding claims 1-12 of the '109 patent unpatentable as obvious, citing prior art disclosing server-side hosting of interactive applications and MPEG compression standards. This IPR outcome, which invalidates the asserted claims, is directly impacting the district court litigation. The parties also have a history of litigation over related patents, with IPL alleging that Sony was aware of the patent family prior to this suit, potentially supporting a claim of willful infringement. The case highlights ongoing patent assertion trends by NPEs against major operating companies in the rapidly evolving cloud gaming industry.

The patent infringement litigation Intellectual Pixels Limited v. Sony Interactive Entertainment LLC, case number 8:20-cv-01422 in the Central District of California, saw an early closure in the district court, with the core patentability dispute being resolved through parallel inter partes review (IPR) proceedings at the Patent Trial and Appeal Board (PTAB) and subsequent appeals to the Federal Circuit.

Here's a chronological overview of the key legal developments and outcome:

• Filing & Initial Pleadings:

  • 2020-07-31: Intellectual Pixels Limited (IPL) filed the initial complaint against Sony Interactive Entertainment LLC (Sony) in the U.S. District Court for the Central District of California, alleging infringement of U.S. Patent No. 10,681,109 ("the '109 patent"). The '109 patent covers methods for generating digital images using an external visual server.
  • 2020-10-09: An amended complaint was filed. The complaint specifically accused Sony's PlayStation Now, Remote Play, and Share Play services of infringement, which relate to server-based graphics processing or cloud gaming. IPL also disclaimed claims 13-18 of the '109 patent after the complaint was filed, leaving claims 1-12 at issue.
  • This case was related to a prior litigation between the parties (8:19-cv-01432) involving a related patent, U.S. Patent No. 8,667,093.

• Pre-trial Motions of Substance:

  • Prior to 2020-12-04: Sony likely filed a motion to dismiss, as a document labeled "Order Regarding Motion to Dismiss, Case No. 8:20-cv-01422-JVS-KES (C.D. Cal.), D.I. 42" is referenced in the IPR proceedings. The outcome of this specific motion is not detailed in the available search results, but the case proceeded until its closure.
  • Discovery Milestones: Early discovery had commenced. A "Stipulated Covid-19 Addendum To Protective Order" was entered to facilitate source code production during the pandemic, indicating active (though potentially challenged) discovery efforts in the district court case. However, by the time the IPR petition was filed, discovery was still in its early stages, and no Markman hearing was scheduled.

• Final Disposition of District Court Case:

  • 2020-12-21: The district court case, 8:20-cv-01422, was closed. This early closure, shortly after the filing of the IPR petition by Sony, indicates that the district court litigation did not proceed to claim construction, summary judgment, or trial. It was likely dismissed, possibly by stipulation or voluntary dismissal, as the focus shifted to the parallel PTAB proceedings to resolve the patentability of the '109 patent.

• Parallel PTAB IPR Proceedings & Appeals:

  • 2020-12-04: Sony Interactive Entertainment LLC filed an inter partes review (IPR) petition (IPR2021-00237) challenging claims 1-18 of U.S. Patent No. 10,681,109. Sony argued that the claims were unpatentable as obvious over prior art, primarily U.S. Patent No. 6,409,602 (Wiltshire) in view of U.S. Patent No. 6,404,817 (Saha).
  • IPL subsequently disclaimed claims 13-18 during the IPR, leaving claims 1-12 at issue.
  • First PTAB Final Written Decision: The PTAB initially sided with IPL, finding that Sony had not demonstrated the challenged claims were unpatentable. The Board concluded that Wiltshire did not disclose the "generating" limitation of the patent because it seemed to show only selection of pre-existing images rather than creating new ones.
  • 2023-10-13: First Federal Circuit Appeal (Case No. 22-2118): Sony appealed the PTAB's initial decision. The U.S. Court of Appeals for the Federal Circuit (CAFC) vacated the Board's decision and remanded the case, finding that substantial evidence did not support the PTAB's interpretation of the "generating" limitation. The Federal Circuit noted that Wiltshire disclosed operating with the video game Doom, which the parties agreed required generating a new image.
  • Second PTAB Final Written Decision (on remand): On remand, the PTAB reconsidered its decision in light of the Federal Circuit's guidance. The Board then issued a second final written decision holding claims 1-12 of the '109 patent unpatentable as obvious over Wiltshire in combination with other prior art, specifically Saha for compression standards.
  • 2026-07-10: Second Federal Circuit Appeal (Case No. 24-2174): IPL appealed the second PTAB decision. The Federal Circuit affirmed the PTAB's ruling, upholding the unpatentability of claims 1-12 of the '109 patent as obvious. The CAFC rejected IPL's argument that the PTAB had exceeded its mandate from the first appeal by addressing the "compressing" limitation. The court clarified that issues not addressed in the prior judgment remained open on remand and found the Board's second decision to be supported by substantial evidence. The Federal Circuit also assessed costs to Sony.

Outcome:
The district court case (8:20-cv-01422) was closed early, likely due to a dismissal or settlement influenced by the parallel IPR proceedings. The patentability of claims 1-12 of U.S. Patent No. 10,681,109 was ultimately resolved through the PTAB and the Federal Circuit, with the Federal Circuit affirming the PTAB's decision that these claims are unpatentable as obvious.

The plaintiff, Intellectual Pixels Limited, is represented by counsel from Susman Godfrey L.L.P. and Heim, Payne & Chorush, LLP.

Here are the identified counsel of record for the plaintiff:

From Susman Godfrey L.L.P.:

• Krysta K. Pachman

  • Role: Partner, Counsel of Record
  • Firm: Susman Godfrey L.L.P., Los Angeles, CA
  • Experience Note: Ms. Pachman represents plaintiffs and defendants in high-stakes commercial litigation, including patent cases, and has secured over $1.5 billion in trial verdicts and settlements. She is explicitly listed as representing Intellectual Pixels Ltd in case 8:20-cv-01422.

• Jesse-Justin Cuevas

  • Role: Partner, Counsel of Record
  • Firm: Susman Godfrey L.L.P., Los Angeles, CA
  • Experience Note: Ms. Cuevas is an in-demand trial lawyer representing both plaintiffs and defendants in complex commercial litigation, including intellectual property. She specifically represents the inventor of foundational patents in cloud-gaming and streaming graphics applications in two lawsuits against Sony for patent infringement, including this case (8:20-cv-01422).

• Max L. Tribble

  • Role: Partner, Lead Counsel
  • Firm: Susman Godfrey L.L.P., Houston, TX
  • Experience Note: Mr. Tribble is recognized as a premier trial lawyer with extensive experience in patent infringement and trade secret disputes, particularly in the technology sector. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

• Kalpana Srinivasan

  • Role: Managing Partner, Lead Counsel
  • Firm: Susman Godfrey L.L.P., Los Angeles, CA
  • Experience Note: Ms. Srinivasan tries high-stakes cases in courtrooms across the country, including patent and trade secret litigation, and has been recognized as a top intellectual property lawyer in California. She was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

• David M. Peterson

  • Role: Partner, Counsel
  • Firm: Susman Godfrey L.L.P., Houston, TX
  • Experience Note: Mr. Peterson is a high-stakes trial lawyer whose practice includes complex contract, antitrust, trade secret, and securities litigation, and has recovered billions for plaintiffs. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

From Heim, Payne & Chorush, LLP:

• Michael F. Heim

  • Role: Founding Partner, Managing Director, Lead Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX
  • Experience Note: Mr. Heim specializes exclusively in intellectual property litigation and antitrust lawsuits involving intellectual property, with over 30 years of experience, including online gaming systems. He has been recognized as "Patent Litigation Lawyer of the Year" in Houston. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

• Eric J. Enger

  • Role: Partner, Counsel
  • Firm: Heim, Payne & & Chorush, LLP, Houston, TX
  • Experience Note: Mr. Enger's practice focuses on patent litigation, prosecuting and defending high-tech companies in complex, multi-patent lawsuits across the United States. He has an electrical engineering background. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

• Blaine Larson

  • Role: Partner, Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX
  • Experience Note: Mr. Larson is a courtroom-tested attorney with over a decade of experience in patent and intellectual property lawsuits, including trials and appeals before the PTAB and Federal Circuit. He helped secure a $37.5 million verdict in a patent infringement case. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

• William "Wills" Collier

  • Role: Partner, Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX
  • Experience Note: Mr. Collier focuses on patent infringement litigation across a wide range of technologies, including computer and electrical engineering, and has an engineering background. He was part of a team that won a $37.5 million patent infringement verdict. He was listed as an attorney for Intellectual Pixels Ltd in the related case 8:19-cv-01432 against Sony.

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print(google_search.search(queries=["Intellectual Pixels Limited v. Sony Interactive Entertainment LLC 8:20-cv-01422 defendant counsel", "8:20-cv-01422 Sony Interactive Entertainment LLC attorneys", "8:20-cv-01422 docket defendant counsel"]))
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The user is asking for the counsel of record for the defendant, Sony Interactive Entertainment LLC, in the case 8:20-cv-01422. I need to find the names, roles, firms, office locations, and relevant experience for each attorney. I will use web search, focusing on PACER, docket sheets, firm websites, and legal news sites.

Here's my plan:

1. Search for "Intellectual Pixels Limited v. Sony Interactive Entertainment LLC 8:20-cv-01422 defendant counsel" to get initial leads.
2. Refine searches if necessary by looking specifically for docket entries related to appearances or counsel listings.
3. Once I identify attorneys, search for their firm websites and LinkedIn profiles to confirm their roles, office locations, and relevant experience.### Counsel of Record for Defendant Sony Interactive Entertainment LLC

In Intellectual Pixels Limited v. Sony Interactive Entertainment LLC, case number 8:20-cv-01422, the defendant Sony Interactive Entertainment LLC is represented by attorneys from the law firm Perkins Coie LLP.

The counsel of record identified are:

• Marcelo Halpern

  • Role: Lead Counsel
  • Firm: Perkins Coie LLP, Chicago, IL office
  • Note: Mr. Halpern is Co-Chair of Perkins Coie's Patent Litigation practice and focuses on complex intellectual property litigation, particularly in software, internet, and computer-related technologies.

• Christopher J. Koide

  • Role: Counsel
  • Firm: Perkins Coie LLP, San Francisco, CA office
  • Note: Mr. Koide is a partner whose practice focuses on patent litigation, particularly involving software, electronics, and internet technologies.

• Robert S. Blaisdell

  • Role: Counsel
  • Firm: Perkins Coie LLP, San Diego, CA office
  • Note: Mr. Blaisdell is a partner at Perkins Coie, specializing in intellectual property and patent litigation.

• Jon D. Goetz

  • Role: Counsel
  • Firm: Perkins Coie LLP, San Diego, CA office
  • Note: Mr. Goetz is a partner at Perkins Coie, focusing on patent litigation, post-grant proceedings, and intellectual property counseling.

• Alexander L. Lopatin

  • Role: Counsel
  • Firm: Perkins Coie LLP, Chicago, IL office
  • Note: Mr. Lopatin is an associate at Perkins Coie whose practice includes patent litigation and intellectual property disputes.

It is common for sophisticated corporate defendants like Sony Interactive Entertainment LLC to engage prominent national intellectual property firms with multiple offices, and to rely on lead counsel supported by additional counsel from various locations. No in-house counsel appearances are explicitly listed on the public docket as primary counsel for substantive litigation matters, though they would undoubtedly be involved in strategy and oversight. Local counsel, while not separately identified with a distinct "local counsel" role in the retrieved information, would typically be from the same firm but based in the Central District of California, as is the case for some of the Perkins Coie attorneys listed (e.g., San Diego office, which is within the Southern District but commonly practices in the Central District).