TCL China Star Optoelectronics Technology Co Ltd vs. Corning Inc

UPC_CFI_866/2025

Case Details

Case Number UPC_CFI_866/2025

Patent Number

EP3296274

Filing Date 2025-09-15

Proceeding Type Counter claim for revocation

Case Phase Written Phase

Case Decision Date 17 February, 2026

Court Division Mannheim (DE) Local Division

Parties & Representative

Claimants

TCL China Star Optoelectronics Technology Co Ltd

Represented By

1 Representative Listed

Felix Roediger

Representative

Defendants

Corning Inc

Represented By

1 Representative Listed

Marcus Grosch

Representative

Court & Judges

Court / Division

Mannheim (DE) Local Division

Judges

Peter Tochtermann

Petri Rinkinen

Rudi Goedeweeck

Patents Involved

1 Patent

There is a single patent involved in this case.

Application Number	Patent Number	External Links
-	EP3296274	Espacenet Google Patents

Docket Entries

CC005 - US 3338696

2025-09-15

No Actions

CC024 - Declaration

2025-09-15

No Actions

CC020b - Consulting report Swedish Patent Office

2025-09-15

No Actions

CC022 - US 2005_0101469 A1

2025-09-15

No Actions

CC032 - Declaration PR P3

2025-09-15

No Actions

TCL China Star Optoelectronics Technology Co Ltd vs. Corning Inc

Case Details

Parties & Representative

Claimants

TCL China Star Optoelectronics Technology Co Ltd

Represented By

Defendants

Corning Inc

Represented By

Court & Judges

Patents Involved

Docket Entries

CC005 - US 3338696

CC024 - Declaration

CC020b - Consulting report Swedish Patent Office

CC022 - US 2005_0101469 A1

CC032 - Declaration PR P3

CC034 - US 6698244 B1

CC031- 250910 TCL - Reply to Defence to Revocation and Reply to application to amend

CC037 - US 2005-0096209 A1

CC030 - List of documents

CC025 - CV

CC023 - CN 1720202 A

CC038 - US 2004-0018934 A1

CC020 - JP 2004-189535 A

Counterclaim for Revocation

CC026 - W. Vogel Glass Chemistry

CC039 - WO 02-100789 A2

CC033 - Experimental report P3

CC017 - JP 1998059741 A (JPH1059741)

CC004 - Submission of 28 Nov 2018

CC010 - US 11_116659

CC020 - JP 2004-189535 A

CC016 - JP 2004-299947 A

CC018 - Submission of 14 June 2019

CC006 - US 3682609

CC016 - JP 2004-299947 A

CC011 - WO 02_098810 A1

CC023 - CN 1720202 A

CC019 - US 2002_0082158 A1

CC032 - Declaration PR P1

CC003 - Decision ED of 2 Nov 2017

CC032 - Declaration PR P2

CC033 - Experimental report P4

CC035 - Sehgal et al., 1998

Proof of Payment of Court Fees

CC011 - WO 02_098810 A1

CC029 - US 6417124 B1

CC017 - JP 1998059741 A (JPH1059741)

CC033 - Experimental report P1

CC036 - Extract from The Springer Handbook of Glass 2019

CC014 - US 6169047 B1

CC027 - JP 2001-348247 A

CC013 - US 5908703 A

CC033 - Experimental report P2

CC012 - List of compositions CSOT

CC008 - Submission of 4 Jan 2021

CC021 - Experimental report

CC007 - Originally filed application of the patent in suit

CC009 - WO 2006_115997 A2

CC015 - US 6537937 B1

CC028 - US 6465381 B1

CC01

CC027 - JP 2001-348247 A

CC002 - WO 2007_002865 A1

Panel-Appointment

EPO-Request-for-case-pending

Acknowledgement-of-lodging

Formal-checks_Notification-of-positive-outcome

EPO_Communication_check_Outcome

Document from EPO

EPO_Communication_check_Outcome

Document from EPO

Receipt

Cover sheet

Counterclaim defence with Amend Patent

Exhibit document Defendant

Exhibit document Defendant

Exhibit document Defendant

Exhibit document Defendant