As we navigate the Coronavirus-19 pandemic,  our firm is fully operational

and technologically equipped to accommodate the recommended social distancing protocols.  

We are here to help.


For lien matters, please email with your inquiry. 

Wishing you and yours health and safety during this time.  

Our Firm



Serving ALL WCAB locations in California

Parker & Irwin, founded in 1964,

is a Workers’ Compensation Defense firm

with offices across California to serve all

California Workers' Compensation Appeals Boards.


Celebrating over 55 years,

we have been a leader among Workers’ Compensation Defense firms. 

We take pride in our superb integrity and ability to compete with firms of all sizes. 

Areas of Practice

Parker & Irwin is committed to providing the highest degree of legal representation to institutional, self-insured and third party administrators. Our attorneys have substantial trial experience and are skilled negotiators. All matters are evaluated promptly to allow our clients to make informed decisions.  We specialize in Workers' Compensation Defense, Subrogation, Serious & Willful Misconduct and Labor Code 132a.

Industries Served

We are engaged by insurance companies and third-party administrators to handle workers' compensation and employment issues in a variety of industries, including Municipalities, School Districts, Hospitality, Manufacturing, Transportation, Distribution, Warehousing and Retail.

Our Team of Attorneys

Our attorneys provide aggressive, innovative and thoughtful legal defense strategies to workers’ compensation cases.  They adhere to client requirements, are responsive to their needs and maintain open communication until a claim is resolved.  Well respected in the legal community for our professionalism, experience and knowledge, we participate in corporate review meetings.  Our attorneys are featured speakers at seminars, routinely promote client education by conducting no cost classes and writing articles on case law updates and issues of interest to the workers’ compensation community.



Serving all California WCAB locations.

Parker & Irwin, founded in 1964, is a California Workers’ Compensation Defense firm with offices serving all California Workers' Compensation Appeals Boards.

© 1964 - 2020 by the Law Offices of Parker & Irwin, a Professional Corporation, Established in 1964 - All Rights Reserved.

This web site is designed for general information only. The information presented at this site should not be construed to be formal legal advice nor the formation of a lawyer/client relationship. Persons accessing this site are encouraged to seek independent counsel for advice regarding their individual legal issues.