Ameranth v. DoorDash: Hospitality Patent Suit Dismissed With Prejudice After 704 Days
Ameranth, Inc. filed suit against DoorDash, Inc. in the Western District of Pennsylvania, asserting two patents covering intelligent hospitality web server and mobile distributed computing technology. After nearly two years of litigation, the parties stipulated to dismiss all claims with prejudice — each side absorbing its own legal costs.
Hospitality tech patent clash ends in bilateral walk-away
Ameranth, Inc. filed this infringement action on December 22, 2023 in the Western District of Pennsylvania before Judge W. Scott Hardy. The complaint asserted two patents — US11847587B1 and US11842415B2 — covering intelligent hospitality web server systems with multi-modal contact and parallel operational capabilities, and a handheld/mobile distributed computing network for completing remotely initiated hospitality tasks. DoorDash, the dominant U.S. food delivery platform, was named alongside Eat’N Park Restaurants, LLC and Eat’N Park Hospitality Group, Inc. as co-defendants.
The case closed on November 25, 2025, when all parties filed a stipulated dismissal under Fed. R. Civ. P. 41(a)(1)(A)(ii), requesting dismissal of all claims with prejudice. The Court approved the stipulation. Critically, the dismissal was with prejudice — meaning Ameranth is permanently barred from reasserting these specific claims against DoorDash and the Eat’N Park entities on the same patents. No damages, royalty, or licensing terms were disclosed in the public record.
At 704 days, the litigation ran longer than a straightforward pre-discovery settlement typically would, suggesting substantive motion practice or licensing negotiations occurred before the parties reached agreement. The equal costs allocation — neither side winning fees — is consistent with a negotiated resolution rather than a decisive court ruling. The public record does not disclose whether a confidential license was exchanged; the absence of a fee-shifting award leaves the financial outcome opaque.
Filing to Dismissed with Prejudice in 704 days
704 days — nearly two years, above median for patent suits in W.D. Pa.
Dismissed with prejudice: what the stipulated exit means for both sides
Rule 41 stipulated dismissal — a bilateral, court-approved exit
A Fed. R. Civ. P. 41(a)(1)(A)(ii) stipulated dismissal requires agreement from all parties, distinguishing it from a unilateral plaintiff withdrawal. Both sides signed off, and the Court approved. The with-prejudice designation is the critical detail: it carries the force of a final judgment on the merits, permanently extinguishing Ameranth’s right to relitigate these specific claims against these defendants.
Permanent bar on re-filingAmeranth permanently forfeits these claims against DoorDash
Dismissal with prejudice is the most significant concession a plaintiff can make short of a court ruling against them. Ameranth cannot revive this action or file a new suit on US11847587B1 or US11842415B2 against DoorDash or the Eat’N Park entities. Whether Ameranth received a confidential licensing payment in exchange is unknown from the public record — but if so, that consideration would have driven acceptance of the with-prejudice terms.
Claims extinguishedDoorDash secures permanent release from these patent claims
For DoorDash and its co-defendants, a with-prejudice dismissal is the best litigation outcome short of invalidity or non-infringement rulings. They are permanently shielded from Ameranth’s claims on these two patents. The equal-costs allocation means DoorDash absorbed its own legal spend — which, given the size of its defence team (nine named agents across three law firms), was likely substantial — suggesting the settlement economics were weighed against continued litigation cost.
Full release securedAmeranth’s hospitality patent portfolio faces a narrowed enforcement path
Ameranth has a history of asserting hospitality technology patents broadly across the industry. The with-prejudice exit against a major platform like DoorDash may signal either portfolio maturation or reduced leverage post-assertion. Third parties operating similar intelligent hospitality ordering and delivery infrastructure should note that the patents remain in force against non-parties — Ameranth retains full rights to assert US11847587B1 and US11842415B2 elsewhere.
Patents remain enforceable vs. third partiesFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Ameranth, Inc. | Company | Hospitality software IP licensor — holder of US11847587B1 and US11842415B2Search in Eureka ↗ |
| Defendant | DoorDash, Inc. | Company | DoorDash, Inc. — leading U.S. on-demand food delivery and logistics platformSearch in Eureka ↗ |
| Plaintiff counsel | Richard C. Weinblatt | Attorney | Counsel for Ameranth, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Vincent A. Coppola | Attorney | Counsel for Ameranth, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Pribanic & Pribanic | Law Firm | Representing Ameranth, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Stamoulis & Weinblatt LLC | Law Firm | Representing Ameranth, Inc.Search in Eureka ↗ |
| Defendant counsel | A. Michael Pratt | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Bryan P. Clark | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Joshua Raskin | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Kent E. Baldauf , Jr. | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Louis Constantinou | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Mircea Tipescu | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Omar Nesheiwat | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Vimal Kapadia | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant counsel | Wen Xue | Attorney | Counsel for DoorDash, Inc.Search in Eureka ↗ |
| Defendant law firm | Benesch, Friedlander, Coplan & Aronoff LLP | Law Firm | Representing DoorDash, Inc.Search in Eureka ↗ |
| Defendant law firm | Greenberg Traurig PA | Law Firm | Representing DoorDash, Inc.Search in Eureka ↗ |
| Defendant law firm | The Webb Law Firm PC | Law Firm | Representing DoorDash, Inc.Search in Eureka ↗ |
| Presiding judge | Judge W. Scott Hardy | Judge | Pennsylvania Western District CourtSearch in Eureka ↗ |
Official order — verbatim text
The stipulation’s language — ‘all claims in this action be dismissed with prejudice, with each party to bear its own costs’ — is precise and consequential. The with-prejudice designation operates as a final adjudication on the merits under res judicata, permanently barring Ameranth from reasserting these claims against these defendants. The mutual cost-bearing provision forecloses any fee-shifting argument under 35 U.S.C. § 285, leaving the financial terms of any underlying resolution entirely confidential.
US11847587B1 & US11842415B2 — Intelligent hospitality web server & mobile computing
US11847587B1 (Application No. US18/063601) protects an intelligent web server computer with multi-modes of contact, multi-communications protocols, and parallel operational capabilities specifically engineered for the hospitality market — covering both standalone server configurations and networked arrangements. US11842415B2 (Application No. US17/665420) extends coverage to the back-office and mobile/handheld layer: a distributed computing network enabling remotely initiated hospitality tasks with varying modes of contact and parallel processing. Both patents sit at the intersection of hospitality software architecture and distributed systems.
These patents represent Ameranth’s continuation of a long-running IP strategy around hospitality ordering infrastructure — a market now dominated by cloud-based, multi-channel platforms like DoorDash. The claims’ emphasis on multi-modal contact and parallel operations maps closely onto modern API-driven restaurant ordering stacks, making them potentially relevant to any enterprise deploying multi-channel food service ordering, POS integration, or delivery network management. The patents’ enforceability against third parties is unaffected by this dismissal.
Should your team run an FTO against US11847587B1 and US11842415B2?
Any company building or deploying intelligent hospitality ordering infrastructure — restaurant chains, food delivery platforms, POS vendors, hotel F&B systems, or enterprise hospitality SaaS providers — should assess exposure to US11847587B1 and US11842415B2. These patents survived litigation against a well-resourced defendant and remain enforceable. The multi-modal contact and parallel operational claims are broad enough to potentially read on cloud-based multi-channel ordering and delivery integration systems at scale.
PatSnap Eureka’s FTO Search Agent can map your product architecture against the claim language of both patents, surface relevant prior art that may support design-around strategies, and identify Ameranth’s full continuation portfolio for downstream risk. Given Ameranth’s established enforcement history, a proactive FTO analysis is materially lower cost than reactive defence — particularly before scaling a hospitality ordering or delivery platform into new markets.
Run a freedom-to-operate analysis on US11847587B1 to assess your product’s exposure
Run FTO in Eureka →Similar hospitality tech patent infringement cases in U.S. district courts
Explore related patent infringement actions involving hospitality ordering systems, web server architectures, and mobile computing networks litigated in U.S. federal district courts.
What this case signals for the hospitality tech IP landscape
Ameranth’s serial assertion strategy meets a major platform with deep defence resources — and ends in a permanent walk-away.
With-prejudice exits signal leverage limits, not portfolio weakness
When a plaintiff accepts with-prejudice dismissal after 700+ days, it typically signals that litigation economics — not patent strength — drove the exit. The patents US11847587B1 and US11842415B2 remain valid and enforceable against all other parties. Companies in the hospitality tech and food delivery space should treat this as a signal to audit exposure, not assume the patents are dead.
Nine defence agents signals DoorDash took validity risk seriously
DoorDash assembled a nine-attorney defence team across three firms including Benesch and Greenberg Traurig. That level of resource deployment over 704 days, concluding with each side bearing its own costs, is consistent with a hard-fought negotiation rather than an early concession. It suggests the underlying technology claims were substantively contested before settlement.
Ameranth v DoorDash — key questions answered
Dismissal with prejudice in this case means all of Ameranth’s patent infringement claims against DoorDash and the Eat’N Park entities are permanently extinguished. Ameranth cannot refile the same claims on US11847587B1 or US11842415B2 against these defendants. The dismissal carries the legal weight of a final judgment on the merits under res judicata principles.
Ameranth asserted two patents: US11847587B1, covering an intelligent multi-modal web server computer with parallel operational capabilities for the hospitality market, and US11842415B2, covering an intelligent back-office and handheld/mobile distributed computing network for remote hospitality tasks. Both patents relate to Ameranth’s hospitality ordering and communications technology portfolio.
The public record does not disclose the specific reasons. However, a stipulated dismissal with prejudice after 704 days — with each party bearing its own costs — is consistent with a negotiated resolution, potentially including a confidential licensing arrangement. The length of the case suggests substantive litigation activity preceded the agreement rather than an early pre-discovery walk-away.
Yes. The with-prejudice dismissal only bars Ameranth from reasserting these patents against DoorDash, Inc., Eat’N Park Restaurants, LLC, and Eat’N Park Hospitality Group, Inc. The patents remain fully valid and enforceable against all other third parties. Companies in the hospitality tech, food delivery, and POS sectors should treat these patents as live enforcement risks.
Ameranth has a documented history of asserting patents covering intelligent hospitality ordering systems, web server architectures, and mobile computing networks against major restaurant chains, POS providers, and food technology platforms across multiple U.S. federal district courts. The DoorDash case is consistent with this broader assertion pattern targeting companies operating multi-channel hospitality ordering and delivery infrastructure.
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