Lyft, Inc. v. Rideshare Displays, Inc.

This matter concerns an inter partes review (IPR) initiated by Lyft, Inc. against patents held by Rideshare Displays, Inc. Lyft, Inc. is a prominent American operating company that provides ride-hailing services, e-scooters, and bicycle-sharing systems across the United States and Canada, and is one of the dominant platforms in the rideshare industry. Rideshare Displays, Inc. functions as a patent-holding entity (often referred to as a Patent Assertion Entity or Non-Practicing Entity) that develops vehicle identification systems aimed at improving rider safety within app-based ridesharing services. The underlying technology at issue relates to vehicle identification systems and methods that allow ridesharing app users to visually confirm they are entering the correct car and for drivers to verify they are picking up the correct passenger, a core function of modern ride-hailing services.

The specific patent at issue in this IPR is US9892637, titled "Vehicle identification system." This patent, along with four related patents (US10169987, US10395525, US10559199, and US10748417) all sharing a common specification, generally describes systems where a driver's device receives a notification signal that triggers an external indicator, such as a code or icon displayed on the vehicle, to facilitate rider-driver matching. Lyft initiated IPR2021-01598 in November 2021, challenging claims of US9892637 before the Patent Trial and Appeal Board (PTAB). This IPR was one of five such petitions filed by Lyft against Rideshare Displays' patent portfolio. The case originated from an infringement lawsuit filed by Rideshare Displays, Inc. against Lyft, Inc. in the U.S. District Court for the District of Delaware (Case No. 20-1629) in November 2020, which was subsequently stayed pending the outcome of the IPRs.

The procedural posture of this case is notable for its journey through various stages of patent review and appeal. The PTAB initially found claims of the challenged patents, including US9892637, unpatentable for obviousness. Rideshare Displays, Inc. sought to amend certain claims, some of which the Board granted. These PTAB decisions were appealed to the U.S. Court of Appeals for the Federal Circuit (e.g., Case No. 23-2033), which issued a nonprecedential decision on September 29, 2025. The Federal Circuit affirmed the PTAB's findings of unpatentability for the original claims based on obviousness but crucially reversed the Board's allowance of certain substitute claims, deeming them patent-ineligible under 35 U.S.C. § 101 for merely improving user experience rather than computer functionality. This Federal Circuit ruling, which explicitly declined to adopt the USPTO's 2019 Subject Matter Eligibility Guidance, represents a significant development in the application of patent eligibility standards for software-implemented inventions. Rideshare Displays, Inc. subsequently petitioned the Supreme Court for review, highlighting the broader implications of the Federal Circuit's Section 101 analysis for the ridesharing and tech industries.

The case Lyft, Inc. v. Rideshare Displays, Inc., IPR2021-01598, is an inter partes review (IPR) proceeding before the Patent Trial and Appeal Board (PTAB), not a traditional patent infringement litigation in a district court. The developments below reflect the IPR process and subsequent appeal. The case involved US Patent No. 9,892,637 ('637 patent) and four related patents: US Patent Nos. 10,169,987 ('987 patent), 10,395,525 ('525 patent), 10,599,199 ('199 patent), and 10,748,417 ('417 patent).

Key Legal Developments and Outcome:

1. Filing of IPR Petitions & Initial Pleadings (PTAB Stage)

• November 2021: Lyft, Inc. filed five petitions for inter partes review (IPR), including IPR2021-01598, challenging the validity of claims across five patents owned by Rideshare Displays, Inc. These patents generally relate to vehicle identification systems for ridesharing services.

2. PTAB Institution Decisions

• The PTAB instituted the IPR proceedings. (Specific institution dates for IPR2021-01598 were not found, but institution is a prerequisite for a Final Written Decision).

3. Claim Construction (PTAB Stage)

• During the IPR proceedings, Rideshare contended that the PTAB misconstrued the term "generate" in the claim phrase "generate a signal representing an indicator." The Board construed "generate" to have its plain and ordinary meaning, "which is to originate or produce the signal."

4. Motions to Amend Claims (PTAB Stage)

• Rideshare Displays, Inc. sought to amend claims in two of the IPR proceedings, including for the '637 and '199 patents, by adding substitute claims. The PTAB partially granted Rideshare's motions to amend some claims (specifically, claims 29, 31, and 32 of the '637 patent and claims 1 and 4 of the '199 patent).

5. Final Written Decisions (PTAB Stage)

• The PTAB issued decisions finding all challenged claims across the five patents (US9892637, US10169987, US10395525, US10599199, and US10748417) unpatentable as obvious or anticipated over prior art references, including Kalanick, Lalancette, and Kemler.

6. Appeals to the Federal Circuit

• Appeals Filed (June 16, 2023 for Case No. 23-2037): Rideshare Displays, Inc. appealed the PTAB's unpatentability findings to the U.S. Court of Appeals for the Federal Circuit (CAFC). Lyft, Inc. cross-appealed the Board's partial grant of Rideshare's motions to amend claims. The five IPR proceedings were consolidated for the purpose of this appeal under various case numbers, including 23-2033 through 23-2039.
• Federal Circuit Decision (September 29, 2025): The Federal Circuit issued a nonprecedential disposition.
  • Affirmation of Unpatentability: The Federal Circuit affirmed the PTAB's determinations that the original challenged claims of the five patents were unpatentable for obviousness. The court agreed with the PTAB's claim construction of "generate" and found substantial evidence supported the Board's obviousness conclusions.
  • Reversal of Motion to Amend: The Federal Circuit reversed the PTAB's partial grant of Rideshare's motions to amend. The court held that the proposed substitute claims were patent-ineligible under 35 U.S.C. § 101 because they recited abstract ideas of coordinating human activity. The court also found the substitute claims invalid under 35 U.S.C. § 112 for lack of written description support.
  • Outcome: The Federal Circuit's decision was "Affirmed-in-Part and Reversed-in-Part," with portions of the appeal dismissed, resulting in a split outcome. Costs were awarded to cross-appellant Lyft.

7. Final Disposition

• The Federal Circuit's decision on September 29, 2025, represents the final disposition of the consolidated appeals from the IPR proceedings. The outcome significantly reshaped the patentability landscape for rideshare display technology, affirming the unpatentability of the original challenged claims and reversing the allowance of the amended substitute claims.

Lyft, Inc., as the plaintiff in IPR2021-01598, has been represented by a combination of in-house counsel and attorneys from external law firms. Key counsel of record representing Lyft, Inc. include:

From Baker Botts LLP:

• Eliot Damon Williams

  • Role: Lead Counsel (argued at the Federal Circuit)
  • Firm & Office: Baker Botts LLP, Washington, DC
  • Note on experience: Mr. Williams argued for Lyft, Inc. in the Federal Circuit appeal related to IPR2021-01598. He is also noted for his work in other patent litigation for Lyft, including securing a favorable jury verdict in a patent trial against Quartz Auto Technologies where he was part of the trial team that significantly limited damages and eliminated several asserted patents pre-trial.

• Jeremy Taylor

  • Role: Counsel
  • Firm & Office: Baker Botts LLP, San Francisco, CA
  • Note on experience: Mr. Taylor was also part of the Baker Botts team representing Lyft in the Federal Circuit appeal related to the IPRs. He was a partner in the Quartz Auto Technologies case, which involved successful pre-trial strategies to limit patent damages and eliminate patents.

• Jennifer Cozeolino Tempesta

  • Role: Counsel
  • Firm & Office: Baker Botts LLP, New York, NY
  • Note on experience: Ms. Tempesta was listed as counsel for Lyft in the Federal Circuit appeal arising from these IPRs.

• Margaret McInerney Welsh

  • Role: Counsel
  • Firm & Office: Baker Botts LLP, New York, NY
  • Note on experience: Ms. Welsh was listed as counsel for Lyft in the Federal Circuit appeal arising from these IPRs.

Lyft, Inc. In-House Counsel:

• Kanda Ishihara

  • Role: Senior IP Counsel
  • Firm & Office: Lyft, Inc., (likely San Francisco, CA, where Lyft is headquartered)
  • Note on experience: Ms. Ishihara's responsibilities at Lyft include portfolio development, risk mitigation, client counseling, and management of outside counsel. Prior to joining Lyft, she was a partner at an IP boutique law firm specializing in patent procurement and strategic counseling.

• Tina Lo

  • Role: In-house counsel
  • Firm & Office: Lyft, Inc., San Francisco, CA
  • Note on experience: Ms. Lo is an in-house attorney at Lyft, Inc., with experience in Intellectual Property and Product Liability.

• Kristin Sverchek

  • Role: General Counsel
  • Firm & Office: Lyft, Inc., (likely San Francisco, CA)
  • Note on experience: As General Counsel, Ms. Sverchek heads a large legal team covering various disciplines, including intellectual property, and is responsible for strategizing with leadership on major legal issues.

Here is the counsel of record representing Rideshare Displays, Inc. (the defendant/patent owner) in IPR2021-01598:

• Michelle Dawson

  • Role: Lead Counsel
  • Firm: Padmanabhan & Dawson PLLC, Minneapolis, MN
  • Experience Note: Argued for Rideshare Displays, Inc. in the Federal Circuit appeal stemming from the IPR proceedings, challenging the PTAB's unpatentability determinations and cross-appealing the partial grant of motions to amend.

• Devan V. Padmanabhan

  • Role: Counsel
  • Firm: Padmanabhan & Dawson PLLC, Minneapolis, MN
  • Experience Note: Also represented Rideshare Displays, Inc. in the Federal Circuit appeal concerning the patentability of the vehicle identification systems.