UPC_CFI_466/2025

METAL PLATE FOR MANUFACTURING DEPOSITION MASK, METHOD FOR MANUFACTURING METAL PLATE, DEPOSITION MASK AND METHOD FOR MANUFACTURING DEPOSITION MASK

InfringementMain Infringement ActionDusseldorf LDInfringementWritten Phase

Overview Decisions Documents Timeline

Parties

Claimants

Dai Nippon Printing Co., Ltd.

Reps: Soenke Fock (Wildanger Kehrwald Graf von Schwerin & Partner mbB); Thorben Strich (Wildanger Kehrwald Graf von Schwerin & Partner mbB); Jan-Caspar Maiers (Wildanger Kehrwald Graf von Schwerin & Partner mbB); Alex-Christian Lesch (Wildanger Kehrwald Graf von Schwerin & Partner mbB); Jochen Kapfenberger (Cohausz & Florack); Georg Tully (Cohausz & Florack); Frederik Tenholt (Cohausz & Florack)

Respondents

Zapp AG
Zapp Precision Metals GmbH

Reps: Holger Stratmann (HOFFMANN EITLE); Henrik Vocke (HOFFMANN EITLE); Philipp Zambelli (HOFFMANN EITLE)

Judges

Ronny Thomas
Tatyana Zhilova
Schumacher Jule
Lorenzo Parrini

Patents

EP3805415
EP 3 805 415

CPC codes: C22B9/20, C23F1/02, C22B9/006, C22C19/03, C23C14/12, C22B9/04, H10K71/00, H10K71/166, C22B9/05, C23C14/24, C23C14/042, B21B1/38…

Technology area: Semiconductors · Deposition Masks

Sector: Semiconductor Devices

Outcome

Procedural onlyProcedural only (no substantive ruling yet)

Filed: May 27, 2025

First decided: Feb 18, 2026

Language: German

Open on UPC Registry