NantWorks, LLC et al. v. Niantic, Inc.

Case Overview and Background

This patent infringement lawsuit centered on pioneering augmented reality (AR) technology, pitting a biotechnology and technology conglomerate against a leader in the AR mobile gaming market. Plaintiffs NantWorks, LLC and its intellectual property holding company, Nant Holdings IP, LLC, are part of a network of entities founded by surgeon and entrepreneur Dr. Patrick Soon-Shiong, with interests spanning healthcare, commerce, and digital entertainment. The defendant, Niantic, Inc., is the developer of globally popular AR games, including Pokémon Go and Ingress. NantWorks alleged that Niantic's flagship games, which overlay virtual characters and objects onto the real world, infringed on three of its patents related to AR systems. The case is notable as it represents a high-stakes clash over foundational AR concepts and has been closely watched for its potential impact on the rapidly growing AR industry.

The lawsuit was filed on September 3, 2020, in the U.S. District Court for the Northern District of California, a venue known for its deep expertise in technology and patent cases. The asserted patents were U.S. Patent Nos. 10,403,051 (covering a system for publishing and viewing AR information), 10,614,477 (relating to a system for delivering media content based on object recognition), and 10,664,518 (describing a method for presenting AR objects based on a device's location). NantWorks claimed that features in Niantic's games, such as Pokémon Go and the then-popular Harry Potter: Wizards Unite, which superimpose AR objects onto a user's real-world environment as seen through their device, practiced the patented inventions. Specifically, NantWorks pointed to game mechanics that display AR content tied to real-world locations and changing conditions, like weather. The case proceeded before U.S. Magistrate Judge Laurel Beeler and later, District Judge Vince Chhabria, whose rulings on patent eligibility under 35 U.S.C. § 101 are influential.

The case progressed through discovery and motion practice, culminating in a significant victory for Niantic. On January 13, 2023, the court granted Niantic's motion for judgment on the pleadings regarding the '518 patent, finding its claims were directed to the abstract idea of providing information based on a location on a map and were therefore invalid. This ruling narrowed the case considerably. Ultimately, on July 9, 2024, the court granted Niantic's motion for summary judgment on the remaining '051 patent, invalidating its claims as also being directed to an abstract idea. This decision effectively ended the district court case in Niantic's favor without a trial and was later affirmed by the U.S. Court of Appeals for the Federal Circuit in April 2026. The outcome highlights the significant hurdles that software and AR-related patents face under the Supreme Court's Alice framework for patent eligibility, particularly in the Northern District of California.

Legal Developments and Outcome

Filing and Initial Pleadings

• 2020-09-03: Plaintiffs NantWorks, LLC and Nant Holdings IP, LLC filed a complaint for patent infringement against Niantic, Inc. in the U.S. District Court for the Northern District of California. The suit alleged that Niantic's popular augmented reality (AR) games, Pokémon Go and Harry Potter: Wizards Unite, infringed on three U.S. patents: 10,403,051 ('051 patent), 10,614,477 ('477 patent), and 10,664,518 ('518 patent).
• The complaint accused Niantic of both direct and induced infringement. The core allegations centered on features within Niantic's games, such as superimposing AR objects over real-world environments and a "Dynamic Weather feature" that altered the virtual environment based on real-world weather.
• 2021-02-23: NantWorks filed a Third Amended Complaint, which became the operative complaint in the case. This complaint focused on infringement of at least claim 1 of the '518 and '051 patents.

Parallel PTAB Proceedings and Stay

• Niantic initiated inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB) to challenge the validity of the asserted patents.
• The district court litigation was stayed pending the outcome of the IPRs.
• 2022-09-02: After the PTAB issued a final written decision finding that Niantic (the petitioner) had not proven the asserted claims unpatentable, the district court lifted the stay, allowing the case to proceed despite a pending appeal of the PTAB's decision.

Pre-Trial Motions and Rulings

• Motion for Judgment on the Pleadings ('518 Patent): Niantic filed a motion for judgment on the pleadings under Rule 12(c), arguing that the asserted claims of the '518 patent were invalid under 35 U.S.C. § 101 for being directed to patent-ineligible subject matter.
• 2023-01-13: Magistrate Judge Laurel Beeler granted Niantic's motion. The court determined that the claims were directed to the abstract idea of "providing information based on a location on a map" and lacked a sufficient "inventive concept" to transform them into patent-eligible subject matter. The court found the claims described only generic computer components applied to this abstract idea.
• Motion for Interlocutory Appeal: NantWorks moved to certify the court's § 101 ruling on the '518 patent for an immediate interlocutory appeal.
• 2023-03-24: The court denied NantWorks' motion, finding the requirements for an immediate appeal were not met and favoring a single appeal after final judgment to avoid "piecemeal" appeals.
• Motion for Summary Judgment ('051 Patent): Niantic later moved for summary judgment, arguing the asserted claims of the '051 patent were also invalid under § 101.
• 2024-07-09: The court granted Niantic's motion for summary judgment. It found the '051 patent claims were directed to the abstract idea of "receiving information about a location and displaying materials based on that information" and lacked an inventive concept.

Discovery and Case Management

• The case proceeded through discovery, with expert reports and depositions being exchanged. Niantic retained an expert from Daedalus Technology Group to work on issues of non-infringement and invalidity.
• 2023-10-20: The court issued an Order to Show Cause after NantWorks' counsel sought to withdraw and the plaintiff failed to appoint new counsel, warning of potential dismissal for failure to prosecute. This suggests a period of difficulty in NantWorks' representation.

Outcome and Appeal

• 2024-07-09: Following the grant of summary judgment on the final remaining patent ('051), the court entered a final judgment in favor of Defendant Niantic, Inc. The case was terminated at the district court level without a trial.
• Appeal: NantWorks timely appealed the district court's decisions to the U.S. Court of Appeals for the Federal Circuit (Appeal No. 2024-2216).
• 2026-04-23: A Federal Circuit panel consisting of Judges Reyna, Schall, and Cunningham issued a nonprecedential opinion affirming the district court's rulings. The appellate court agreed with the lower court's § 101 analyses for both the '518 and '051 patents, finding the claims were directed to abstract ideas without adding an inventive concept. This decision effectively ended the litigation in Niantic's favor.

Plaintiffs in NantWorks, LLC et al. v. Niantic, Inc. were represented by counsel from three successive law firms during the litigation, which spanned from September 2020 to July 2024. The representation began with Diamond McCarthy LLP, transitioned to Sullivan Blackburn Pratt LLP, and concluded with Irell & Manella LLP, who represented the plaintiffs through the final summary judgment ruling.

Irell & Manella LLP (2023 – 2024)

Following a change in counsel in late 2023, a team from the prominent intellectual property litigation firm Irell & Manella LLP took over representation for NantWorks.

• Morgan Chu | Lead Counsel
  • Firm: Irell & Manella LLP, Los Angeles, CA
  • Note: A renowned trial lawyer, Chu successfully argued for a related entity in Peter v. NantKwest, Inc. before the U.S. Supreme Court and has secured multiple billion-dollar patent verdicts.
• Andrei Iancu | Of Counsel
  • Firm: Irell & Manella LLP, Los Angeles, CA
  • Note: Served as the Under Secretary of Commerce for Intellectual Property and Director of the U.S. Patent and Trademark Office (USPTO) before rejoining Irell & Manella in 2021. As of July 2023, Iancu has moved to Sullivan & Cromwell.
• Lisa S. Glasser | Of Counsel
  • Firm: Irell & Manella LLP, Newport Beach, CA
  • Note: A highly decorated trial lawyer, Glasser has extensive experience in high-stakes patent infringement cases involving complex technologies in the life sciences and computer science fields.
• Benjamin W. Hattenbach | Of Counsel
  • Firm: Irell & Manella LLP, Los Angeles, CA
  • Note: Hattenbach's practice focuses on complex patent trials, and he has secured judgments and settlements valued in the billions for patent holders.
• Amy E. Proctor | Of Counsel
  • Firm: Irell & Manella LLP, Los Angeles, CA
  • Note: Proctor is a rising partner at the firm, recognized for her key role in landmark patent cases, including securing a multi-billion dollar judgment for VLSI Technology against Intel.

Sullivan Blackburn Pratt LLP (Mid-Litigation to 2023)

Court documents indicate that attorneys from this San Francisco-based firm represented NantWorks during the middle stages of the litigation. An October 2023 court order noted an "unexpected change in counsel from Sullivan Blackburn Pratt LLP after the two attorneys who have been representing it recently left that firm" (ECF No. 203). The firm is now known as Sullivan Pratt LLP.

• Christopher D. Sullivan | Lead Counsel
  • Firm: Sullivan Blackburn Pratt LLP, San Francisco, CA
  • Note: Sullivan is a managing partner focusing on complex civil litigation, including intellectual property and commercial law, for plaintiffs and defendants.
• Matthew K. Blackburn | Of Counsel
  • Firm: Sullivan Blackburn Pratt LLP, San Francisco, CA (previously with Diamond McCarthy LLP)
  • Note: Blackburn has a background in complex patent litigation and was previously listed as counsel on the initial complaint with Diamond McCarthy LLP.

Diamond McCarthy LLP (2020 – Initial Filing)

The initial complaint for patent infringement, filed on September 3, 2020, was submitted by attorneys from Diamond McCarthy LLP.

• Matthew K. Blackburn | Local Counsel
  • Firm: Diamond McCarthy LLP, San Francisco, CA
  • Note: Blackburn has experience discussing prominent patent cases before the U.S. Supreme Court and focuses on high-stakes intellectual property litigation.
• Allan B. Diamond | Of Counsel (Pro Hac Vice anticipated)
  • Firm: Diamond McCarthy LLP, Houston, TX
  • Note: As a name partner, Diamond has extensive experience in complex commercial litigation across various industries.
• John Sample | Of Counsel (Pro Hac Vice anticipated)
  • Firm: Diamond McCarthy LLP, Houston, TX
  • Note: This attorney was listed on the initial complaint, though further appearances on the public docket are not prominent.

Counsel for Defendant Niantic, Inc.

Defendant Niantic, Inc. was primarily represented by the law firm Cooley LLP, which successfully secured a summary judgment victory and a subsequent Federal Circuit affirmation. Attorneys from Durie Tangri LLP also appeared in the case, though Cooley lawyers led the key filings and arguments.

Lead Counsel

• Heidi L. Keefe (Lead Counsel)

  • Firm: Cooley LLP, Palo Alto, CA.
  • Note: Keefe argued for Niantic at the Federal Circuit appeal and is noted as a first-chair trial lawyer for technology patent cases with significant experience at the Patent Trial and Appeal Board (PTAB).

• Daralyn J. Durie (Of Counsel)

  • Firm: Formerly of Durie Tangri LLP, now with Morrison Foerster, San Francisco, CA.
  • Note: A nationally recognized trial lawyer, Durie has over 20 years of experience in patent litigation and was named an "Icon of IP" by Law360. Her notable cases include defending Google Books from copyright infringement claims.

Additional Counsel

• Dena Chen

  • Firm: Cooley LLP, Palo Alto, CA.
  • Note: Chen was listed on the successful Federal Circuit appeal briefing alongside Heidi Keefe.

• Patrick W. Lauppe

  • Firm: Cooley LLP, Washington, D.C.
  • Note: Lauppe was also part of the Cooley team representing Niantic in its successful Federal Circuit appeal.

• Alexandra M. Leeper

  • Firm: Cooley LLP, Palo Alto, CA.
  • Note: Leeper was listed as counsel on the successful Federal Circuit appeal.

There is no public record of in-house counsel from Niantic having formally filed an appearance in this specific district court case.