

Karl Johnston
- San Francisco
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Karl Johnston represents clients in a wide variety of intellectual property (IP) disputes in federal courts and arbitral tribunals and before the U.S. International Trade Commission (ITC).
Karl has experience in all aspects of IP litigation, from pre-complaint investigations and claim construction to trial.
Prior to joining Perkins Coie, Karl was an associate at another major law firm. While in law school, Karl served as a judicial extern to the Hon. William Alsup of the U.S. District Court for the Northern District of California and was a senior production editor for the Hastings Law Journal.
Areas of focus
Education & Credentials
Education
- University of California, College of the Law, San Francisco, J.D., 2019
- McGill University, B.M., 2013
Bar and Court Admissions
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California
Related Employment
- Morrison & Foerster LLP, San Francisco, CA, Associate, 2019 – 2022
- Judicial Extern, Hon. William Alsup, U.S. District Court for the Northern District of California, 2018