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LG Chem, Ltd. vs. Nippon Shokubai Co., Ltd. - EP4257633

EPO OPPOSITION Opposition

Status: Opposition Filed

Publication Number EP4257633

Filing Date 2026-04-22

Applicant / Office PREPARATION METHOD FOR SUPER ABSORBENT POLYMER

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd. et al.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-01240

Filing Date 2020-07-06

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd. et al.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-01239

Filing Date 2020-07-06

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd. et al.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-01036

Filing Date 2020-06-04

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00992

Filing Date 2020-05-27

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00991

Filing Date 2020-05-27

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd. et al.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00987

Filing Date 2020-05-26

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00982

Filing Date 2020-05-26

Cause / Proceeding IPR

SK Innovation Co., Ltd. et al. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00981

Filing Date 2020-05-26

Cause / Proceeding IPR

SFC Co., Ltd. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00182

Filing Date 2019-12-02

Cause / Proceeding IPR

SFC Co., Ltd. vs. LG Chem, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2020-00178

Filing Date 2019-12-02

Cause / Proceeding IPR

LG Energy Solution, Ltd. v. SK Innovation Co., Ltd.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:19-cv-01805

Filing Date 2019-09-26

Cause / Court 35:1 Patent Infringement

SK Innovation Co., Ltd. v. LG Chem, Ltd.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:19-cv-01638

Filing Date 2019-09-03

Cause / Court 35:1 Patent Infringement

SK Innovation Co., Ltd. v. LG Chem, LTD

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:19-cv-01637

Filing Date 2019-09-03

Cause / Court 35:1 Patent Infringement

Amperex Technology Ltd. vs. LG Chem, Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2018-00783

Filing Date 2019-01-07

Decision Type Termination Decision Document

PDF View Details

Amperex Technology Ltd. vs. LG Chem, Ltd.

PTAB-CASES Terminated

Status: Terminated-Settled

Proceeding Number IPR2018-00783

Filing Date 2018-03-19

Cause / Proceeding IPR

LG Chem, Ltd. v. Amperex Technology Limited

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:17-cv-13476

Filing Date 2017-10-25

Cause / Court 35:271 Patent Infringement

LG Chem, Ltd. et al. vs. RYUJIN Patent & Licensing Ltd. et al.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2016-00946

Filing Date 2016-04-22

Cause / Proceeding IPR

LG Chem, Ltd. vs. Celgard LLC

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2014-00692

Filing Date 2015-10-05

Decision Type Final Written Decision

PDF View Details

Ube Maxell Co., Ltd. vs. LG CHEM, LTD.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2013-00471

Filing Date 2014-05-08

Decision Type Judgment - Termination of the Proceeding

PDF View Details

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