Communication Interface Technologies v. Pei Wei Asian Diner — Dismissed With Prejudice
Communication Interface Technologies, LLC accused Pei Wei Asian Diner, LLC of infringing three communication interface patents through the Pei Wei mobile ordering app. Filed in the Eastern District of Texas, the case closed after just 128 days when plaintiff voluntarily dismissed with prejudice before defendant had even filed an answer.
Mobile app patent suit against Pei Wei ends before defendant could answer
On 13 May 2024, Communication Interface Technologies, LLC — a patent assertion entity holding a portfolio of communication interface patents — filed suit against Pei Wei Asian Diner, LLC in the Eastern District of Texas before Judge Sean D. Jordan. The complaint alleged infringement of three patents: US6574239B1, US8291010B2, and US8266296B2, all directed at communication interface and mobile application technology. The accused product was the Pei Wei App, the restaurant chain’s mobile ordering and loyalty platform.
The case closed on 18 September 2024 when plaintiff filed a voluntary notice of dismissal with prejudice under Federal Rule of Civil Procedure 41(a)(1)(A)(i). Because Pei Wei had not yet served an answer or motion for summary judgment, no court order was required to effect the dismissal. The with-prejudice designation is legally significant: it bars Communication Interface Technologies from reasserting the same claims against Pei Wei on the same patents in any future action. Each party agreed to bear its own litigation costs.
The 128-day resolution — before any substantive court filing by the defendant — is consistent with a negotiated resolution or a strategic decision by plaintiff not to proceed further. The public record does not disclose whether any licensing agreement, payment, or other settlement consideration changed hands alongside the dismissal. The with-prejudice election, rather than a without-prejudice exit, suggests the dispute reached a definitive conclusion rather than a mere procedural pause.
Filing to Voluntary dismissal in 128 days
128 days — resolved before defendant answered the complaint
Dismissed with prejudice: what the Rule 41 exit means for both parties
Rule 41(a)(1)(A)(i) allows plaintiff to dismiss before answer is served
Under Federal Rule of Civil Procedure 41(a)(1)(A)(i), a plaintiff may voluntarily dismiss an action without a court order by filing a notice of dismissal at any time before the defendant has served an answer or a motion for summary judgment. Because Pei Wei had not yet answered, plaintiff exercised this right unilaterally. The with-prejudice designation was plaintiff’s own election — it was not imposed by the court.
Rule 41(a)(1)(A)(i) — no court order neededWith prejudice means these claims are permanently extinguished against Pei Wei
A dismissal with prejudice operates as a final adjudication on the merits, barring the plaintiff from re-filing the same patent claims against the same defendant. This is a materially stronger form of closure than a without-prejudice exit, which would leave the door open to re-filing. Here, Communication Interface Technologies has permanently surrendered the right to sue Pei Wei on US6574239B1, US8291010B2, and US8266296B2 for the same conduct.
Permanent bar on re-filing same claimsPei Wei exits without admitting liability and bearing no fee award
Pei Wei Asian Diner avoided substantive litigation entirely: no answer was filed, no invalidity arguments were made on record, and no damages were assessed. The cost-neutrality provision — each party bears its own fees — means Pei Wei received no fee-shifting award despite the early exit. The dismissal does not constitute a finding that the Pei Wei App did not infringe; it simply ends this action permanently.
No liability finding; no fee awardPatents remain enforceable against other restaurant app operators
The dismissal resolves only the dispute with Pei Wei. US6574239B1, US8291010B2, and US8266296B2 remain active and enforceable patents in Communication Interface Technologies’ portfolio. Other restaurant chains or mobile ordering platforms operating comparable apps remain exposed to assertion. The speed and with-prejudice nature of this resolution may reflect a licensing arrangement, though none is confirmed in the public record.
Portfolio remains active; other operators at riskFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Communication Interface Technologies, LLC | Company | Patent assertion entity — holder of US6574239B1, US8291010B2, and US8266296B2Search in Eureka ↗ |
| Defendant | Pei Wei Asian Diner, LLC | Company | Pei Wei Asian Diner, LLC — fast-casual restaurant chain operating mobile ordering appSearch in Eureka ↗ |
| Plaintiff counsel | Clifford Chad Henson | Attorney | Counsel for Communication Interface Technologies, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Trevor James Beaty | Attorney | Counsel for Communication Interface Technologies, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Devlin Law Firm LLC (Wilmington) | Law Firm | Representing Communication Interface Technologies, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Shea Beaty | Law Firm | Representing Communication Interface Technologies, LLCSearch in Eureka ↗ |
| Defendant counsel | Thomas W. Cunningham. | Attorney | Counsel for Pei Wei Asian Diner, LLCSearch in Eureka ↗ |
| Defendant law firm | Brooks Hushman PC | Law Firm | Representing Pei Wei Asian Diner, LLCSearch in Eureka ↗ |
| Presiding judge | Judge Sean D. Jordan | Judge | Texas Eastern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The dismissal notice invokes Rule 41(a)(1)(A)(i) precisely — plaintiff confirmed that no answer had been served, satisfying the procedural prerequisite for a unilateral exit. The explicit with-prejudice election is notable: plaintiff voluntarily accepted permanent claim extinguishment against Pei Wei rather than preserving optionality. Combined with the mutual cost-bearing provision, this phrasing is consistent with a negotiated resolution, though the public record does not confirm any financial terms.
US6574239B1, US8291010B2 & US8266296B2 — Mobile communication interface technology
The three asserted patents — US6574239B1 (application no. US09/167698), US8291010B2 (application no. US12/194311), and US8266296B2 (application no. US12/272481) — sit within the communication interface and mobile application technology domain. US6574239B1, filed under application 09/167698, represents an earlier-generation patent in the portfolio, while the ‘010 and ‘296 patents reflect later continuation or related filings targeting mobile data communication methods directly applicable to app-based ordering platforms.
For the restaurant and hospitality sector, these patents are strategically significant because mobile ordering, loyalty integration, and app-based customer interfaces have become standard commercial infrastructure. Any operator deploying a branded mobile app with ordering, authentication, or push communication functionality could fall within the claim scope of one or more of these patents. Communication Interface Technologies’ willingness to assert all three simultaneously against a single restaurant app suggests a broad licensing posture across the sector.
Should your mobile ordering app be cleared against US6574239B1, US8291010B2 & US8266296B2?
R&D and product teams building or scaling mobile ordering, loyalty, or customer communication apps in the food-service, hospitality, or retail sectors should treat this case as a direct signal. Communication Interface Technologies has demonstrated an active enforcement posture targeting branded restaurant apps. If your platform handles in-app ordering, session management, or push-based communication, a freedom-to-operate analysis against these three patents is warranted before your next product release or platform expansion.
PatSnap Eureka’s FTO Search Agent can map your mobile app’s technical feature set against the independent claims of US6574239B1, US8291010B2, and US8266296B2, identify prior art relevant to invalidity arguments, and surface related Communication Interface Technologies portfolio patents that may not yet have been asserted. Running this analysis proactively positions your legal and engineering teams to respond rapidly if a demand letter arrives.
Run a freedom-to-operate analysis on US6574239B1 to assess your product’s exposure
Run FTO in Eureka →Similar mobile app patent infringement cases in E.D. Texas
Cases involving mobile communication interface patent assertions against restaurant and hospitality app operators in the Eastern District of Texas follow recognisable patterns worth tracking.
What this case signals for the restaurant mobile app IP landscape
A pre-answer dismissal with prejudice in E.D. Texas typically signals rapid resolution — publicly silent on whether value changed hands.
Pre-answer dismissals with prejudice often mask confidential licensing deals
When a plaintiff voluntarily dismisses with prejudice before the defendant answers, it frequently signals that the parties reached a licensing or settlement agreement not reflected in public filings. Restaurant and hospitality brands operating mobile ordering apps should treat this pattern as a signal that communication interface patents are being actively monetised in this sector.
E.D. Texas remains the venue of choice for patent assertion against app-based businesses
The Eastern District of Texas continues to attract patent infringement filings against technology-enabled businesses regardless of where defendants operate. Companies in the food-service and hospitality sector with mobile-first customer engagement platforms should assess their E.D. Texas exposure as a standard part of IP risk management.
Communication v Pei — key questions answered
The case was dismissed with prejudice. Plaintiff Communication Interface Technologies filed a voluntary notice of dismissal under Rule 41(a)(1)(A)(i) on or before 18 September 2024, electing the with-prejudice designation. This permanently bars re-filing the same patent claims against Pei Wei Asian Diner on US6574239B1, US8291010B2, and US8266296B2.
Three patents were asserted: US6574239B1 (application no. US09/167698), US8291010B2 (application no. US12/194311), and US8266296B2 (application no. US12/272481). All three relate to communication interface and mobile application technology. The accused product was the Pei Wei App, the chain’s mobile ordering and loyalty platform.
Federal Rule of Civil Procedure 41(a)(1)(A)(i) permits a plaintiff to dismiss voluntarily without a court order at any time before the defendant serves an answer or motion for summary judgment. Plaintiff exercised this right before Pei Wei answered. The speed of resolution — 128 days — is consistent with a negotiated exit, though no financial terms are disclosed in the public record.
No. A voluntary dismissal with prejudice is not a merits adjudication. No court found that the Pei Wei App did or did not infringe US6574239B1, US8291010B2, or US8266296B2. The dismissal simply extinguishes plaintiff’s right to pursue these specific claims against Pei Wei in the future. The patents remain valid and enforceable against third parties.
Yes. The dismissal with prejudice affects only Communication Interface Technologies’ claims against Pei Wei Asian Diner. The three patents remain active and enforceable against other parties. Other restaurant chains, hospitality brands, or technology providers whose mobile apps implement similar communication interface functionality remain potentially exposed to assertion from this portfolio.
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