John D. Alessio

John D. Alessio: Attorney with Procopio, Cory, Hargreaves & Savitch LLP AV stamp icon
Attorney Awards


Professional Summary

John D. Alessio, Procopio’s Managing Partner, focuses on complex class action, business and employment litigation with particular experience in trade secret misappropriation, unfair competition, real estate, shareholder and contractual disputes to include cross-border issues. He has achieved great results for clients of all sizes in civil trials, arbitrations and mediations.


San Diego Business Journal, Top 500 Business Leaders - 2017-present
•Martindale-Hubbell AV Preeminent Rating
The Best Lawyers in America- 2016-present (Commercial Litigation, Litigation -- Intellectual Property, Litigation -- Real Estate)
San Diego Business Journal “Best of the Bar” - 2015-2016 (Commercial Litigation, Class Action) -- competition no longer held
•San Diego Super Lawyers - 2012-present (Business Litigation)
•“Top Lawyers,” San Diego Magazine, 2013-present

News Coverage

•Sarah de Crescenzo.“Procopio Ushers in Leadership Changes in New Year,” San Diego Business Journal, January 3, 2018.
•De Crescenzo Sarah. Alessio Takes Reins; Turner Finds Time is Right to Turn over Leadership at Procopio, September 21, 2017.
•Brainard, Karen. Court Rules in Water District’s Favor, Ramona Sentinel, November 4, 2015.
•Brainard, Karen. Court Hears First Phase of Sewer Fee Challenge, Ramona Sentinel, November 3, 2015.
•“John D. Alessio Elected to Management Panel,” San Diego Metro Magazine, January 28, 2015.
•Moran, Lyle. “Law Briefs,” The Daily Transcript, January 28, 2015.
•Lucia, Katie. “Shatterproof Glass,” Daily Journal, November 29, 2013.

Areas of Practice (5)

  • Class Actions
  • Litigation, Corporate and Commercial
  • Labor and Employment Law
  • Trade Secrets
  • Latin America - US Cross-Border

Education & Credentials

Contact Information:
619.525.3899  Phone
619.744.5414  Fax
University Attended:
University of San Diego, B.S., Business Administration, 1991
Law School Attended:
University of San Diego School of Law, J.D., 1994
Year of First Admission:
U.S. District Court for the Northern, Eastern, Central, and Southern Districts of California; 1994, California


•PEERS, Member
•Entrepreneurs Organization, Member
•American Bar Association
•Association of Business Trial Lawyers
•Food & Beverage Association of San Diego
•Red Autismo Foundation - Founding Director
•San Diego County Bar Association
•The State Bar of California

Reported Cases:
Representative Matters: Defended numerous businesses and executives in class actions and individual claims regarding trade secrets, misappropriation, unfair compensation, consumer claims, wage and hour violations, discrimination, harassment, whistle blowing, contractual disputes, ownership disputes, real estate disputes and related matters.; Prevailed in class action trial defending a municipality.; Defeated and favorably resolved class actions against banks, mortgage companies, product manufacturers, whole salers and retailers, construction companies, car dealers, restaurants and others.; Achieved class action certification and favorable resolution in an age-discrimination employment claim.; Defended and prosecuted cases on behalf of landlords in commercial litigation and toxic tort matters.; Defended and prosecuted cases on behalf of Mexican businesses in commercial disputes and personal injuries occurring in Mexico and filed in California.; Defended and prosecuted cases on behalf of majority and minority shareholders, partners, members and managers in breach of fiduciary duty, breach of contract and related matters.; Defended lender liability cases.

Peer Reviews

4.6/5.0 (12 reviews)
High ethical standing icon
A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


*Peer Reviews provided before April 15, 2008 are not displayed.

San Diego, California

Contact John D. Alessio

Required Fields

Required Fields

By clicking on the "Submit" button, you agree to the Terms of Use, Supplemental Terms and Privacy Policy. You also consent to be contacted at the phone number you provided, including by autodials, text messages and/or pre-recorded calls, from Martindale and its affiliates and from or on behalf of attorneys you request or contact through this site. Consent is not a condition of purchase.

You should not send any sensitive or confidential information through this site. Emails sent through this site do not create an attorney-client relationship and may not be treated as privileged or confidential. The lawyer or law firm you are contacting is not required to, and may choose not to, accept you as a client. The Internet is not necessarily secure and emails sent though this site could be intercepted or read by third parties.