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CasLoc is a patent case tracking and research platform covering patent litigation, PTAB proceedings, UPC cases and EPO oppositions. Built for patent attorneys, law firms and IP professionals, it lets you search by party, proceeding number or attorney, filter by filing date, and get free email alerts on new filings and decisions.

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00135

Filing Date 2026-05-15

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00134

Filing Date 2026-05-15

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00133

Filing Date 2026-05-15

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00135

Filing Date 2026-04-01

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00134

Filing Date 2026-04-01

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2026-00133

Filing Date 2026-04-01

Decision Type Director Discretionary Decision: Deny

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-CASES Institution Denied

Status: Discretionary Denial

Proceeding Number IPR2026-00135

Filing Date 2025-11-19

Cause / Proceeding IPR

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-CASES Institution Denied

Status: Discretionary Denial

Proceeding Number IPR2026-00134

Filing Date 2025-11-19

Cause / Proceeding IPR

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Westinghouse Air Brake Technologies Corporation et al. vs. Railware, Inc. et al.

PTAB-CASES Institution Denied

Status: Discretionary Denial

Proceeding Number IPR2026-00133

Filing Date 2025-11-19

Cause / Proceeding IPR

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-02104

Filing Date 2019-03-12

Decision Type Termination Decision Document

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-02044

Filing Date 2019-02-04

Decision Type FINAL WRITTEN DECISION 35 U.S.C. § 318(a), 37 C.F.R. § 42.73

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-01669

Filing Date 2019-01-29

Decision Type Final Written Decision

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Rehearing Decision

Status: Decided

Proceeding Number IPR2017-00981

Filing Date 2019-01-29

Decision Type Decision Denying Patent Owner's Request for Rehearing

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-01866

Filing Date 2019-01-17

Decision Type Termination Decision Document

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-00580

Filing Date 2019-01-10

Decision Type FINAL WRITTEN DECISION 35 U.S.C. § 318(a), 37 C.F.R. § 42.73

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-01454

Filing Date 2018-12-06

Decision Type Termination Decision Document

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-01263

Filing Date 2018-10-24

Decision Type Final Written Decision

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Mobility, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-00981

Filing Date 2018-08-31

Decision Type Final Written Decision

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Westinghouse Air Brake Technologies Corporation v. Siemens Mobility, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:17-cv-01687

Filing Date 2017-11-21

Cause / Court 35:271 Patent Infringement

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Westinghouse Air Brake Technologies Corporation et al. vs. Siemens Industry, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2017-01270

Filing Date 2017-10-26

Decision Type Decision Denying Institution of Inter Partes Review

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