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ENDE
Overview · Filed: Apr 22, 2025

UPC_CFI_337/2025

FINING OF BOROALUMINO SILICATE GLASSES

RevocationMain Revocation ActionMunich CDRevocationCase Closed
OverviewDecisionsReasoningCitationsDocumentsTimeline
Parties

Claimants

Reps: Andreas Obermeier (Bird & Bird LLP)

Respondents

  • Corning Incorporated
Reps: Marcus Grosch (Quinn Emanuel Urquhart & Sullivan LLP)
Judges
  • Andras Kupecz
  • Andras Kupecz
  • Daniel Severinsson
  • Rudi Goedeweeck
Patents
  • EP3296274
CPC codes: C03C3/091, C03B17/00, C03C1/004, C03B5/08, C03B17/06

Technology area: Materials & Chemistry · Glass Compositions

Outcome
Patent maintainedMaintained as granted
Filed: Apr 22, 2025
First decided: Dec 1, 2025
Last decision: Feb 24, 2026
Language: English

The Central Division (Munich) dismissed TCL Europe's revocation action against Corning's EP 3 296 274 (glass composition), finding all invalidity attacks unsuccessful. The patent was maintained as granted; TCL was ordered to bear Corning's legal costs.

Open on UPC Registry
Claims
At issue1, 2, 3
Maintained1, 2, 3
Notes: Revocation action dismissed; claims 1, 2 and 3 of EP 3 296 274 maintained as granted, all invalidity attacks unsuccessful.