Monticello Enterprises LLC v. Starbucks Corp

Case Overview: NPE Targets Starbucks' Mobile Payment Ecosystem in High-Stakes Federal Circuit Appeal

This patent infringement appeal pits Monticello Enterprises LLC, a non-practicing entity (NPE), against Starbucks Corporation, the global coffeehouse giant renowned for its highly adopted mobile application. Monticello alleges that Starbucks' mobile payment platform—a core component of its business strategy that facilitates in-app purchases, order-ahead functionality, and simplified in-store wireless transactions—infringes four of its patents. The technology at issue is fundamental to the Starbucks mobile experience, encompassing the user interface, payment APIs, and the methods for transmitting data between a customer's smartphone and the company's point-of-sale systems. The four asserted patents generally relate to mobile and wireless payment processes:

• U.S. Patent No. 11,468,497: "System and method for receiving data at a merchant device from a user device over a wireless link."
• U.S. Patent No. 11,461,828: "System and method for providing simplified in-store purchases and in-app purchases using a use-interface-based payment API."
• U.S. Patent No. 11,004,139: "System and method for in-app payments."
• U.S. Patent No. 10,643,266: "System and method for providing simplified in-store purchases using a user interface-based payment system."

The case arrives at the Court of Appeals for the Federal Circuit after a notable procedural path in the district court. Monticello initially filed suit against Starbucks on November 9, 2023, in the U.S. District Court for the Western District of Texas (Case No. 6:23-cv-00763), a venue historically favored by patent plaintiffs. However, the standalone case was short-lived. On April 19, 2024, Chief Judge Xavier Rodriguez administratively closed the case, consolidating it into a lead case (6:23-cv-00753) that included other major retailers like Macy's and Petco, also sued by Monticello. The current appeal, filed April 22, 2026, likely stems from a key dispositive ruling made in that consolidated action, escalating the dispute over foundational mobile commerce technology to the nation's top patent court.

This appeal is significant for several reasons. It represents a classic, high-stakes battle between an operating company and an NPE over ubiquitous technology that defines modern consumer convenience. The outcome could impact the broader retail and fintech sectors, which rely heavily on similar in-app and wireless payment systems. The case is also notable for the parallel validity challenges waged against the asserted patents. For instance, U.S. Patent No. 11,468,497 was subject to an ex parte reexamination at the USPTO, and a final rejection of its claims was issued in late 2024, a development that could prove critical to Starbucks' position on appeal. The litigation strategy of consolidating multiple defendants highlights a common efficiency tactic in large-scale NPE assertion campaigns, and the Federal Circuit's handling of the appeal will be closely watched by patent litigators and technology companies alike.

Legal Developments & Case Outcome

The patent infringement litigation between Monticello Enterprises and Starbucks progressed through the district court as part of a multi-defendant consolidated action before an appeal was filed at the Federal Circuit. The key events reveal a strategy focused on early dispositive motions related to patent eligibility and a final resolution based on contract law and licensing rights, rather than traditional infringement or invalidity findings.

Chronological Developments:

• 2023-11-09: Complaint Filed & Consolidation
  Monticello Enterprises LLC filed its initial patent infringement complaint against Starbucks Corp. in the U.S. District Court for the Western District of Texas (Case No. 6:23-cv-00763). The lawsuit accused Starbucks' mobile payment and ordering platform of infringing U.S. Patents 11,468,497, 11,461,828, 11,004,139, and 10,643,266. The case was part of a broader campaign by Monticello, which filed similar suits against other major retailers like Macy's and Petco.

• 2024-04-19: Administrative Closure via Consolidation
  To promote judicial efficiency and avoid inconsistent rulings, Chief Judge Xavier Rodriguez administratively closed the standalone Starbucks case. The action was consolidated into a lead case, Monticello Enterprises LLC v. Macy's, Inc., et al. (Case No. 6:23-cv-00753-XR), where all substantive legal proceedings for the defendants would take place.

• 2025-01-21: Defendants' Motion to Dismiss Denied
  Within the consolidated case, Starbucks, Macy's, and Petco filed motions to dismiss under Rule 12(b)(6), arguing that all asserted patents claimed ineligible subject matter under 35 U.S.C. § 101. Magistrate Judge Derek T. Gilliland recommended denying the motions, and with no objections filed, Judge Rodriguez adopted the recommendation. The court denied the motions without prejudice, allowing the defendants to raise the § 101 arguments again at the summary judgment stage.

• 2026-03-18: Summary Judgment Granted to Defendants, Case Dismissed
  The turning point in the district court was the defendants' motion for summary judgment. They argued that they were protected by sublicenses granted or authorized under Patent Sublicense Agreements (PSAs) held by major mobile payment ecosystem players like Apple and Google. On February 27, 2026, Magistrate Judge Gilliland issued a Report and Recommendation (R&R) advising that the motion be granted. Despite objections from Monticello, Judge Rodriguez adopted the R&R on March 18, 2026. The court found that the license agreements provided an "automatic sublicense" to the defendants, shielding them from infringement liability. This order effectively terminated the case at the district court level, leading to a final judgment of non-infringement in favor of Starbucks and the other defendants.

• 2026-04-22: Appeal to the Federal Circuit
  Following the adverse summary judgment ruling, Monticello Enterprises LLC filed a notice of appeal to the U.S. Court of Appeals for the Federal Circuit. The appeal (Case No. 26-1717) directly challenges the district court's summary judgment order that dismissed the case based on the interpretation of the sublicense agreements.

Parallel PTAB Proceedings:

While the district court litigation was active, the validity of the asserted patents was also being challenged at the U.S. Patent and Trademark Office. The background information noted an ex parte reexamination of U.S. Patent No. 11,468,497, which reportedly resulted in a final rejection of the claims in late 2024. However, specific documents confirming this outcome or detailing any inter partes review (IPR) petitions filed by Starbucks or the other co-defendants are not available in the public search results. The summary judgment decision, being based on licensing rather than invalidity, appears to have mooted the immediate impact of any parallel proceedings on the district court case.

Current Posture:

As of May 1, 2026, the case is an active appeal before the Federal Circuit. The central issue on appeal will likely be the district court's interpretation of the third-party patent sublicense agreements and its finding that those agreements protected Starbucks and the other retailers from Monticello's infringement claims.

Counsel for Plaintiff-Appellant Monticello Enterprises LLC

As the appeal to the Federal Circuit was filed recently on April 22, 2026, the formal notice of appearance for appellate counsel has not yet been made public. However, the legal team that represented Monticello Enterprises LLC in the underlying consolidated district court action (Case No. 6:23-cv-00753-XR) in the Western District of Texas is expected to continue its representation.

The district court counsel for Monticello included attorneys from two firms known for patent assertion litigation:

Buether Joe & Counselors, LLC

• Eric W. Buether (Lead Counsel)

  • Firm & Location: Buether Joe & Counselors, LLC, Dallas, TX.
  • Note: Buether is a veteran Texas-based trial lawyer with extensive experience representing plaintiffs in high-stakes intellectual property and patent infringement litigation.

• Christopher M. Joe (Of Counsel)

  • Firm & Location: Buether Joe & Counselors, LLC, Dallas, TX.
  • Note: A founding partner of his firm, Joe specializes in patent, trademark, and other intellectual property disputes and commercial litigation.

• Joseph E. Carpenter, Jr. (Of Counsel)

  • Firm & Location: Buether Joe & Counselors, LLC, Dallas, TX.
  • Note: Carpenter has a background that includes serving as general counsel and holding P&L responsibility for a major technology corporation, bringing both legal and business perspectives to technology-related transactions and litigation.

Stamoulis & Weinblatt LLC

• Stamatios Stamoulis (Lead Counsel)

  • Firm & Location: Stamoulis & Weinblatt LLC, Wilmington, DE.
  • Note: Known as "Sam," Stamoulis is a prominent patent litigator who frequently represents patent holders, including non-practicing entities, in federal courts, particularly in Delaware and Texas. His firm specializes in representing plaintiffs in patent cases.

• Richard C. Weinblatt (Of Counsel)

  • Firm & Location: Stamoulis & Weinblatt LLC, Wilmington, DE.
  • Note: Weinblatt has significant experience in patent litigation alongside Stamatios Stamoulis, representing clients in complex intellectual property disputes across the country.

Counsel for Defendant-Appellee Starbucks Corp.

As the appeal to the Federal Circuit was filed on April 22, 2026, the formal notice of appearance for appellate counsel has not yet been made public in available records. The legal team that represented Starbucks in the dispositive, consolidated district court action (Monticello Enterprises LLC v. Macy's, Inc., et al., Case No. 6:23-cv-00753-XR) is listed below and is expected to handle the appeal.

This team from the firm Baker Botts LLP is known for representing Starbucks in various patent and intellectual property matters.

Baker Botts L.L.P.

• Rachael Lamkin (Presumed Lead Counsel)

  • Firm & Location: Baker Botts L.L.P., Austin, TX.
  • Note: Lamkin has represented Starbucks in other patent disputes and has been noted for pioneering aggressive and novel defense strategies in patent litigation.

• Kevin J. Meek (Of Counsel)

  • Firm & Location: Baker Botts L.L.P., Austin, TX.
  • Note: Meek is a seasoned intellectual property litigator with extensive experience in the technology sector, focusing on patent, trade secret, and copyright cases.

• Travis L. Thomas (Of Counsel)

  • Firm & Location: Baker Botts L.L.P., Austin, TX.
  • Note: Thomas’s practice centers on complex patent litigation across various technologies, representing clients in district courts, the ITC, and the Patent Trial and Appeal Board (PTAB).

It is not uncommon for additional attorneys specializing in appellate practice to join the team for the Federal Circuit proceedings. Any formal appearances will be reflected in the court's docket as the case progresses.