IBM v. Rakuten: Five-Patent E-Commerce Suit Dismissed With Prejudice After 1,180 Days
IBM filed suit against Rakuten and its Ebates affiliates in the Delaware District Court, asserting five patents covering e-commerce, web personalisation, and online transaction technologies against Rakuten’s website and mobile apps. After 1,180 days of litigation, the parties jointly stipulated to dismiss all claims and counterclaims with prejudice — permanently closing every avenue of re-litigation on these patents against these defendants.
IBM’s five-patent e-commerce assault on Rakuten ends by mutual stipulation
On 29 March 2021, International Business Machines Corporation filed suit in the United States District Court for the District of Delaware against Rakuten, Inc. and a cluster of affiliated entities — including Ebates Performance Marketing, Inc. (trading as Rakuten Rewards), Rakuten Commerce LLC, Rakuten USA Inc., and Ebates Inc. IBM asserted five issued US patents — US6785676B2, US7543234B2, US7072849B1, US7631346B2, and US7076443B1 — against Rakuten’s website and mobile applications, bringing an infringement action before Judge Gregory B. Williams.
The case closed on 21 June 2024 when the parties filed a joint Rule 41(a)(1)(A)(ii) stipulation dismissing all claims and counterclaims with prejudice. That mechanism — a bilateral stipulated dismissal — requires no court order and takes effect immediately upon filing. The with-prejudice designation is commercially significant: IBM cannot reassert any of these five patents against the named Rakuten defendants on the same accused products in any future proceeding. Each side agreed to bear its own costs, expenses, and attorneys’ fees, suggesting no clear financial concession was recorded in the public record.
The 1,180-day duration — spanning from filing through fact discovery to dismissal — suggests the parties reached resolution only after substantial litigation investment, consistent with a negotiated outcome rather than an early nuisance settlement. The with-prejudice terms and mutual cost-bearing are typical hallmarks of a confidential commercial settlement, though no settlement agreement is reflected in the public docket. What drove final resolution — licensing terms, cross-licensing, or a strategic business decision — remains unknown from the available record.
Filing to Dismissed with Prejudice in 1180 days
1,180 days in litigation — roughly 3.2 years, above the median for multi-patent Delaware IP cases
Dismissed with prejudice: what the stipulation means for both parties
Rule 41(a)(1)(A)(ii): bilateral stipulated dismissal, no court order needed
A Rule 41(a)(1)(A)(ii) dismissal is filed by the parties jointly and takes immediate effect without judicial approval. The with-prejudice designation converts what would otherwise be a procedural exit into a final adjudication on the merits for claim-preclusion purposes. Neither IBM nor Rakuten can re-litigate these specific claims in a new action — the dismissal functions as a permanent bar.
Permanent bar on re-litigationIBM surrenders future enforcement against Rakuten on all five patents
By stipulating to dismissal with prejudice, IBM permanently relinquishes its right to assert US6785676B2, US7543234B2, US7072849B1, US7631346B2, and US7076443B1 against the named Rakuten entities on these accused products. The five patents remain enforceable against other parties — only Rakuten and its named affiliates are shielded. This outcome is consistent with IBM securing a confidential licence or business resolution rather than abandoning the patents entirely.
Patents intact vs. third partiesRakuten obtains permanent immunity — but at undisclosed commercial cost
The with-prejudice dismissal gives Rakuten, Ebates Performance Marketing, Rakuten Commerce, Rakuten USA, and Ebates Inc. a permanent shield against IBM’s five asserted patents on these products. The mutual cost-bearing clause means no fee award was recorded publicly. However, the 1,180-day duration and the absence of an early resolution strongly suggest a financial or licensing component exists in a confidential side agreement that is not visible in the court record.
Permanent IP shield securedIBM’s e-commerce portfolio remains active — other platforms remain exposed
This dismissal does not invalidate or limit any of IBM’s five patents. Competing e-commerce, cashback, and rewards platforms that were not parties to this action — and that deploy similar web personalisation, transaction processing, or recommendation technologies — remain potentially exposed to the same patent claims. The resolution signals IBM continues to monetise this portfolio through enforcement and licensing, making FTO analysis against these patents commercially prudent for any operator in adjacent e-commerce verticals.
Third-party FTO risk persistsFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | International Business Machines, Corp. | Company | Global technology company — holder of US6785676B2 and four further e-commerce patentsSearch in Eureka ↗ |
| Defendant | Rakuten | Individual | Rakuten Inc. and affiliates — operator of e-commerce, cashback, and rewards platforms including Ebates/Rakuten RewardsSearch in Eureka ↗ |
| Co-Defendant | Ebates Performance Marketing, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Rakuten Commerce, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Rakuten USA, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Ebates Inc. | Company | Search in Eureka ↗ |
| Plaintiff counsel | Amy I. Wann | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Andrew L. Brown | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Benjamin J. Rodd | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Bindu Ann George Palapura | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Brian D. Matty | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Caitrianne Feddeler | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | David Ellis Moore | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Eliyahu Balsam | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | John Dao | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | John M. Desmarais | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Jonas R. McDavit | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Jordan N. Malz | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Joseph D. Farris , III | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Jun Tong | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Karim Z. Oussayef | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Kerri-Ann Limbeek | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Kyle Curry | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Lindsey E. Miller | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Michael Rhodes | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Michael Wueste | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Stephanie E. O’Byrne | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | Vieth William | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff counsel | William Yau | Attorney | Counsel for International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff law firm | DLA Piper LLP (US) | Law Firm | Representing International Business Machines, Corp.Search in Eureka ↗ |
| Plaintiff law firm | Potter, Anderson & Corroon LLP | Law Firm | Representing International Business Machines, Corp.Search in Eureka ↗ |
| Defendant counsel | Benjamin J. Schladweiler | Attorney | Counsel for RakutenSearch in Eureka ↗ |
| Defendant counsel | Jonathan Presvelis | Attorney | Counsel for RakutenSearch in Eureka ↗ |
| Defendant counsel | Maja Sherman | Attorney | Counsel for RakutenSearch in Eureka ↗ |
| Defendant counsel | Mark Bhuptani | Attorney | Counsel for RakutenSearch in Eureka ↗ |
| Defendant counsel | Vimal M. Kapadia | Attorney | Counsel for RakutenSearch in Eureka ↗ |
| Defendant law firm | Greenberg Traurig LLP | Law Firm | Representing RakutenSearch in Eureka ↗ |
| Presiding judge | Judge Gregory B. Williams | Judge | Delaware District CourtSearch in Eureka ↗ |
Official order — verbatim text
The stipulation invokes Rule 41(a)(1)(A)(ii), the bilateral dismissal mechanism that requires no court order and takes effect on filing. The with-prejudice designation is the legally operative term: it triggers claim preclusion, permanently barring IBM from reasserting any of the five patents against the named Rakuten entities on the accused products. The mutual cost-bearing clause — ‘each side shall bear its own costs’ — is standard in confidential settlements and does not imply parity of litigation strength. No merits ruling was issued; validity and infringement of the five patents remain unadjudicated.
US6785676B2 and four further IBM e-commerce and web technology patents
The five asserted patents — US6785676B2, US7543234B2, US7072849B1, US7631346B2, and US7076443B1 — originate from application filings spanning the late 1990s through mid-2000s, a foundational period for commercial internet and e-commerce infrastructure. The portfolio covers a range of web and transaction technologies relevant to modern e-commerce deployments, including online personalisation, user interaction management, web navigation, session tracking, and order processing. IBM’s assertion of these patents against Rakuten’s website and mobile applications reflects IBM’s long-standing strategy of extracting commercial value from its internet-era patent estate.
For the e-commerce sector, IBM’s internet-era patents represent a persistent and well-documented licensing risk. IBM has historically pursued a broad enforcement and licensing programme across technology companies, and this five-patent assertion against Rakuten’s cashback and rewards platform demonstrates the portfolio’s reach into modern consumer-facing applications. Competitors operating personalisation engines, loyalty programmes, recommendation systems, or mobile commerce features should treat IBM’s web technology portfolio as a live exposure — particularly given this case’s resolution without any validity finding that could have narrowed IBM’s claims.
Should you run an FTO analysis against IBM’s e-commerce patent portfolio?
Any company operating an e-commerce platform, rewards programme, cashback service, or personalised shopping application should consider running a freedom-to-operate analysis against IBM’s web and transaction patent portfolio. The five patents asserted here — covering application dates from the late 1990s — were deployed against a major consumer internet platform’s website and mobile apps. This case confirms IBM continues to enforce this estate in the current decade, making FTO analysis commercially essential for platforms with similar feature sets.
PatSnap Eureka’s FTO Search Agent allows R&D and legal teams to map claim scope across all five asserted patents, identify design-around opportunities, and flag prior art that may bear on validity — work that remains relevant since no invalidity determination was issued in this case. Eureka can also surface related IBM continuation and divisional applications that may present ongoing risk in adjacent claim spaces, giving product and IP teams a complete picture before a demand letter arrives.
Run a freedom-to-operate analysis on US6785676B2 to assess your product’s exposure
Run FTO in Eureka →Similar IBM e-commerce patent cases in Delaware and federal courts
Cases involving IBM’s internet-era e-commerce and web technology patents in the Delaware District Court and comparable federal venues with multi-patent assertion strategies.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Rakuten website and mobile applications-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedInternational Business Machines, Corp.’s broader IP enforcement history
International Business Machines, Corp.’s full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat IBM v. Rakuten signals for the e-commerce patent licensing landscape
IBM’s enforcement of legacy web and e-commerce patents against a major consumer platform reflects a sustained monetisation strategy with broad sector implications.
IBM’s legacy web patents remain live enforcement tools against e-commerce platforms
This case confirms IBM actively enforces patents with application dates spanning the mid-1990s to mid-2000s across modern e-commerce and mobile app deployments. Platforms operating cashback, rewards, personalisation, or online transaction features should treat IBM’s legacy portfolio as a live litigation risk — not a dormant legacy asset.
With-prejudice + own costs strongly suggests a confidential commercial resolution
The combination of a 1,180-day litigation arc, with-prejudice dismissal, and mutual cost-bearing is the standard fingerprint of a negotiated settlement or licence agreement. Parties resolved after investing heavily in discovery, suggesting IBM’s patents withstood early invalidity pressure and Rakuten chose commercial resolution over continued litigation risk.
Five-patent assertion clusters signal portfolio licensing pressure — not single-patent risk
IBM’s strategy of bundling five patents across related e-commerce sub-technologies (personalisation, transactions, web navigation) creates stacked infringement risk that is harder to design around than a single-patent assertion. E-commerce operators should map full portfolio exposure — not just individual patent claims — when assessing IBM licence demands.
Delaware venue and Greenberg Traurig defence suggest Rakuten prepared for a long fight
Rakuten’s retention of Greenberg Traurig and a five-entity defence structure across four affiliate defendants signals a well-resourced defence posture. The eventual stipulated resolution after 3+ years suggests neither side secured a decisive early advantage — informing how similarly-positioned defendants should resource multi-patent IBM cases in Delaware.
International v Rakuten — key questions answered
IBM asserted five patents: US6785676B2, US7543234B2, US7072849B1, US7631346B2, and US7076443B1. All five were asserted against Rakuten’s website and mobile applications in an infringement action filed in the Delaware District Court on 29 March 2021.
Dismissed with prejudice means IBM permanently cannot reassert the five patents against the named Rakuten defendants — Rakuten Inc., Ebates Performance Marketing, Rakuten Commerce LLC, Rakuten USA Inc., and Ebates Inc. — on the accused products. The patents themselves remain valid and enforceable against any other third party. No merits ruling on validity or infringement was issued.
No settlement agreement is publicly visible in the court record. However, the combination of a 1,180-day litigation duration, dismissal with prejudice, and mutual cost-bearing is strongly consistent with a confidential commercial settlement or licence. The public docket does not confirm the existence or terms of any private agreement.
The case lasted 1,180 days — approximately 3.2 years — from filing on 29 March 2021 to closure on 21 June 2024. This duration suggests the parties engaged in substantial fact and expert discovery before reaching resolution, consistent with a negotiated outcome rather than an early cost-driven dismissal.
Yes. The dismissal with prejudice only bars IBM from suing the named Rakuten entities on these patents regarding the accused products. No court found any of the five patents invalid or not infringed. IBM retains full enforcement rights against any other party, making FTO analysis against this portfolio commercially relevant for other e-commerce and rewards platform operators.
Track IBM’s e-commerce patent enforcement before the next demand letter
PatSnap Eureka lets IP and product teams run FTO searches across IBM’s full web and e-commerce portfolio, monitor new filings, and track enforcement patterns in real time. Five patents were asserted here — map the full estate before your platform is next.
PatSnap Eureka searches patents and litigation data to answer instantly.