SYNOPSYS, INC v. RISK BASED SECURITY, INC.

No. 22-1812.

70 F.4th 759 (2023)

SYNOPSYS, INC., Plaintiff-Appellee, v. RISK BASED SECURITY, INC., Defendant-Appellant.

United States Court of Appeals, Fourth Circuit.

Decided: June 15, 2023.


Attorney(s) appearing for the Case

ARGUED: Andrew Evan Samuels , BAKER & HOSTETLER LLP, Columbus, Ohio, for Appellant. Catherine Emily Stetson , HOGAN LOVELLS US LLP, Washington, D.C., for Appellee. ON BRIEF: Kevin W. Kirsch , Columbus, Ohio, Michael S. Gordon , New York, New York, Christopher A. Wiech , BAKER & HOSTETLER LLP, Atlanta, Georgia; C. Dewayne Lonas , Stewart R. Pollock , MORAN REEVES CONN PC, Richmond, Virginia, for Appellant. N. Thomas Connally , Christopher T. Pickens , Tysons, Virginia, Patrick T. Michael , San Francisco, California, Sean Marotta , Johannah Walker , HOGAN LOVELLS US LLP, Washington, D.C., for Appellee.

Affirmed by published opinion. Judge Agee wrote the opinion, in which Judge Rushing and Judge Dawson joined.


Both Risk Based Security, Inc. ("RBS") and Synopsys, Inc., identify vulnerabilities in the source code of software and share information about those vulnerabilities so they can be corrected before nefarious individuals exploit them. After RBS accused Synopsys of engaging in unlawful conduct related to the content of RBS' vulnerability...

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