Headwater Research v Samsung Electronics (CFI, 26 September 2025)

Date	26 September 2025
Court	CFI
Division	Düsseldorf (DE) Local Division
Type of action	Withdrawal (RoP265)
Case number(s)	UPC_CFI_26/2024
Registry reference	UPC_CFI_26/2024
Parties	Headwater Research LLC v. Samsung Electronics GmbH a.o.

Summary pending review. Official UPC registry metadata imported on 24 September 2026.

Official decision (PDF) · UPC registry entry

Case timeline

15 June 2025 : Headwater Research v Samsung Electronics (CFI, 15 June 2025) ACT_3932/2024 · UPC_CFI_26/2024 · ORD_69284/2024

Dhenne Avocats represents claimants and defendants in European patent disputes before the Unified Patent Court, including the Paris divisions.

Contact the firm

English summary awaiting review. Read the French case note.

Source and translations

Official source: Unified Patent Court registry link recorded in the record
Original language: not recorded
Translation available: no translation recorded the firm’s French record is a summary, not a translation
Date checked: not recorded

Only the official text is authoritative. A machine translation is never presented as official, republishing a third-party document requires a verified basis in rights, and a link to the source is preferred.

Follow this case

Proceedings, related decisions, appeals, parties and patents as recorded in the registry and in the Dhenne Avocats corpus. Each link states its source.

Proceedings

UPC_CFI_26/2024 official number

Follow this case

Parties

claimantHeadwater Research LLC15 decisions in the corpus Follow this party
defendantSamsung Electronics GmbH a.o2 decisions in the corpus Follow this party

Exact name as it appears in the record, group affiliation only where sourced and dated.

Decisions in the same proceedings and documented appeals

18 September 2024 Google Commerce v Ona Patents (CoA, 18 September 2024) Appeal RoP220.1 · appeal, first-instance number cited in the decision
La cour d'appel annule le refus du président du tribunal de première instance et fixe l'anglais, langue du brevet, comme langue de la procédure, le choix de l'allemand par le demandeur relevant de la seule commodité.
18 September 2024 Apple Retail Germany v Ona Patents (CoA, 18 September 2024) Appeal RoP220.1 · appeal, first-instance number cited in the decision
La cour d’appel infirme le refus du président et ordonne que l’action d’Ona Patents contre Apple se poursuive en anglais, langue du brevet, l’allemand désavantageant nettement le défendeur.
15 June 2025 Headwater Research v Samsung Electronics (CFI, 15 June 2025) Infringement Action · UPC_CFI_26/2024
La division locale de Düsseldorf rejette la demande de garantie pour frais de 400 000 euros visant le demandeur américain, faute de preuve d’une exécution excessivement difficile aux États-Unis ou d’un risque d’insolvabilité.
26 September 2025 Headwater Research v Samsung Electronics (CFI, 26 September 2025) Withdrawal (RoP265) · UPC_CFI_26/2024

What the record states

Nature of the act: Withdrawal (RoP265)
Outcome (Dhenne Avocats summary): La division autorise le désistement consenti de l'action en contrefaçon, déclare la procédure close, laisse à chaque partie ses frais et constate que la décision du 30 juillet 2025 devient sans effet.
Appeal: An appeal is documented in the corpus (see above).
Instance: First-instance decision, whether it has become final is not recorded.

Patents mentioned

EP 3 110 069 mentioned in: Dhenne Avocats analysis Follow this patent

Related decisions cited in the analyses

Headwater Research v Samsung Electronics (CFI, 30 September 2025) cited in this record
Headwater Research v Samsung Electronics (CFI, 15 June 2025) cited in this record

Scope: Dhenne Avocats corpus. Registry-based links are marked “official number”; links derived from the analyses are marked as such. An erroneous link can be withdrawn without deleting any record.

Patents and standards

Publication	Role in the dispute	Family	Standard and declaration	Pool	Sources
`EP 3 110 069` Device-assisted services for protecting network capacity recorded proprietor: Headwater Research LLC	Mentioned in the analysis (role not qualified) Also mentioned in 9 other decision(s): Headwater Research v Samsung Electronics (CFI, 30 July 2025) · Headwater Research v Samsung Electronics (CFI, 30 September 2025) · Headwater Research v Motorola Mobility (CFI, ORD_18004/2025, 3 July 20 · Headwater Research v Motorola Mobility (CFI, ORD_69211/2024, 20 June 2 · Headwater Research v Samsung Electronics (CFI, 15 June 2025) · Headwater Research v Motorola Mobility (CFI, ORD_65305/2024, 14 April · Headwater Research v Motorola Mobility (CFI, ORD_65306/2024, 14 April · Headwater Research v Motorola Mobility (CFI, ORD_39544/2024, 11 Septem	not recorded	not recorded	not recorded	Espacenet · European Patent Register existence and title of the publication checked on 30 October 2026 (Google Patents, Espacenet and Register links are not checked automatically) mentioned in: Dhenne Avocats analysis

The statuses “asserted in litigation”, “declared essential”, “listed by a pool” and “essentiality examined by a court” are distinct and may coexist. Validity, infringement and technical essentiality are different questions. Scope: patents cited in the decisions of the Dhenne Avocats corpus, with no essentiality score or prediction.

Receive an alert

Weekly summary of new records and substantive updates matching what you follow. Address confirmed by email, unsubscribe at any time, one email per week even where several of your follows match.