Synopsys Federal Litigation Filings

Synopsys, Inc. v. Sunlune Corporation

Filed: January 11, 2024 as 5:2024cv00220
Court: California Northern District Court
Defendant: Sunlune Corporation
Plaintiff: Synopsys, Inc.
Nature of Suit: Other Statutory Actions

Synopsys, Inc. v. Siemens Industry Software Inc.

Filed: September 29, 2023 as 23-2440
Court: U.S. Court of Appeals, Federal Circuit
Defendant / Appellee: SIEMENS INDUSTRY SOFTWARE INC.
Plaintiff / Appellant: SYNOPSYS, INC.
Nature of Suit: Patent

Synopsys, Inc. v. PIMIC, Inc.

Filed: September 18, 2023 as 5:2023cv04786
Court: California Northern District Court
Defendant: PIMIC, Inc.
Plaintiff: Synopsys, Inc.
Nature of Suit: Other Statutory Actions

Synopsys, Inc. v. RPX Corporation

Filed: July 11, 2023 as 3:2023mc80183
Court: California Northern District Court
Defendant: RPX Corporation
Plaintiff: Synopsys, Inc.
Nature of Suit: Patent

Synopsys, Inc. v. Cista Design, Inc.

Filed: July 5, 2023 as 3:2023cv03362
Court: California Northern District Court
Defendant: Cista Design, Inc.
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Synopsys, Inc. v. Siemens Industry Software Inc.

Filed: March 16, 2023 as 23-1593
Court: U.S. Court of Appeals, Federal Circuit
Appellant: SYNOPSYS, INC.
Appellee: SIEMENS INDUSTRY SOFTWARE INC.

Synopsys, Inc. v. Siemens Industry Software Inc.

Filed: March 16, 2023 as 23-1594
Court: U.S. Court of Appeals, Federal Circuit
Appellant: SYNOPSYS, INC.
Appellee: SIEMENS INDUSTRY SOFTWARE INC.

Siemens Industry Software Inc. v. Synopsys, Inc.

Filed: January 24, 2023 as 23-1421
Court: U.S. Court of Appeals, Federal Circuit
Appellant: SIEMENS INDUSTRY SOFTWARE INC.
Appellee: SYNOPSYS, INC.

Siemens Industry Software Inc. v. Synopsys, Inc.

Filed: January 24, 2023 as 23-1420
Court: U.S. Court of Appeals, Federal Circuit
Appellant: SIEMENS INDUSTRY SOFTWARE INC.
Appellee: SYNOPSYS, INC.

Synopsys, Inc. et al v. Bell Semiconductor, LLC

Filed: November 18, 2022 as 1:2022cv01512
Court: Delaware District Court
Defendant: Bell Semiconductor, LLC
Intervenor: United States International Trade Commission
Plaintiff: Synopsys, Inc., Cadence Design Systems, Inc.
Nature of Suit: Patent

Synopsys, Inc. v. Khanh

Filed: April 26, 2022 as 5:2022cv02546
Court: California Northern District Court
Defendant: Phan Van Khanh
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Jost v. Synopsys Inc

Filed: December 10, 2021 as 3:2021cv01793
Court: Oregon District Court
Defendant: Synopsys Inc
Plaintiff: Andrew Jost
Nature of Suit: Employment

Synopsys, Inc. v. Dolphin Technology, Inc.

Filed: August 11, 2021 as 3:2021cv06207
Court: California Northern District Court
Defendant: Dolphin Technology, Inc.
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Synopsys, Inc. v. Risk Based Security, Inc. We have opinions for this case

Filed: April 14, 2021 as 3:2021cv00252
Court: Virginia Eastern District Court
Defendant: Risk Based Security, Inc.
Plaintiff: Synopsys, Inc.
Special Master: Craig T. Merritt
Nature of Suit: Copyrights

Computer Circuit Operations LLC v. Synopsys, Inc.

Filed: February 9, 2021 as 6:2021cv00139
Court: Texas Western District Court
Defendant: Synopsys, Inc.
Plaintiff: Computer Circuit Operations LLC
Nature of Suit: Patent

Synopsys, Inc. v. University of Rhode Island

Filed: January 25, 2021 as 5:2021cv00581
Court: California Northern District Court
Defendant: University of Rhode Island
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Synopsys, Inc. v. Library Technologies, Inc.

Filed: October 8, 2020 as 3:2020cv07014
Court: California Northern District Court
Defendant: Library Technologies, Inc.
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Synopsys, Inc. v. Avalent Technologies, Inc.

Filed: September 10, 2020 as 3:2020cv06368
Court: California Northern District Court
Defendant: Avalent Technologies, Inc.
Plaintiff: Synopsys, Inc.
Nature of Suit: Copyrights

Embedded Software LLC v. Synopsys, Inc.

Filed: September 2, 2020 as 2:2020cv00292
Court: Texas Eastern District Court
Defendant: Synopsys, Inc.
Plaintiff: Embedded Software LLC
Nature of Suit: Patent

Synopsys, Inc., et al v. USDOL

Filed: July 23, 2020 as 20-16416
Court: U.S. Court of Appeals, Ninth Circuit
Defendant / Appellee: U.S. DEPARTMENT OF LABOR
Intervenor: SYNOPSYS, INC.
Plaintiff: THE CENTER FOR INVESTIGATIVE REPORTING, WILL EVANS