Rosemarie S. Lewis

Los Angeles Office 626 Wilshire Boulevard, Suite 975 Los Angeles, CA 90017

Rosemarie S. Lewis is the managing partner of Borton Petrini, LLP’s Los Angeles and Orange County offices. Rosemarie began her legal career at Borton Petrini in 1991 as a Law Clerk and has risen through the ranks of the Firm. She did her undergraduate work at the University of Southern California and received her J.D. from Western State University in 1991 with an emphasis in tax law. She won academic honors in law school with AmJur Awards in Corporations and Trial Advocacy; she was recognized nationally for her skills on her law school’s Moot Court team. Prior to joining the Firm, Rosemarie served internships at the California Attorney General’s Office and the Orange County District Attorney’s Office.


Rosemarie is one of the Firm’s most experienced litigators. She has successfully tried tort cases, including premises and product liability lawsuits involving catastrophic injuries all over Southern California, from Santa Maria to San Diego, San Bernardino to Ventura, as well as in Kern, Orange and Los Angeles counties. In addition, she has appeared before the California Court of Appeal, California Supreme Court and the Ninth Circuit Court of Appeals.


Rosemarie’s practice area covers all aspects of business and commercial litigation. Her emphasis is employment law, defending employers in discrimination, wrongful termination and sexual harassment claims. She advises companies on relevant areas of labor and employment law, and frequently speaks on topics such as pre-litigation investigation and the attorney-client privilege, workplace violence prevention. She continues to provide training and seminars on labor and employment issues.


Her construction defect cases have involved defending developers, general and sub- contractors and have dealt with such issues as roofing, sheet-metal, concrete, plumbing, and pools. She also represents various public entities and has handled professional liability cases pertaining to architect and engineer errors and omissions, and director and officer liability.


Rosemarie volunteers her time as an arbitrator/mediator in the Los Angeles Superior Courts. She also belongs to several professional organizations, including the State Bar of California, the Los Angeles County Bar Association, Orange County Bar Association, Women Lawyers Association of Los Angeles, the Association of Southern California Defense Counsel, and the Hispanic National Bar. She still stays active with her Alma Mater through her membership in USC’s Alumni Association, Latino Alumni Association, and USC Athletic Support Groups.


Rosemarie’s community service endeavors include volunteering her efforts toward causes for women and children in Los Angeles. Her family supports MADD, Special Olympics and USC’s Physically Challenged Athletes Scholarship Fund. She and her family enjoy sports, golf and travel. Rosemarie is a diehard USC football fan.


Rosemarie is married to Jeffrey Lewis, and their two children are Casey and Evan.