About

Every day claims professionals, attorneys, professional raters, DEU raters, and workers’ compensation judges rely on PDRater.com to quickly, reliably, and accurately calculate California workers’ compensation benefits. 

Free users enjoy access to all calculators and exclusive PDRater resources.  There is never anything to install, no need to download updates, and accessible from phones, tablets, and computers.

This website, all calculators, and benefit charts were written by Jay Shergill, the managing attorney of the Sacramento area office of Purinton, Jimenez, Labo & Wu, LLP, representing insurance companies, third party administrators, and self-insured employers defending workers’ compensation claims, allegations of Serious & Willful Misconduct, and L.C. § 132a violations before the WCAB and Court of Appeals throughout California.  Mr. Shergill has been practicing exclusively in workers’ compensation since 2002 and has been certified by the State Bar of California Board of Legal Specialization in Workers’ Compensation since 2011.

Mr. Shergill served on the Workers’ Compensation Executive Committee of the California State Bar from 2009 through 2016. He was selected to the Northern California Rising Stars in 2011 and 2012 by Super Lawyers Magazine. He has been asked to speak for insurance companies, self-insureds, employers, the California State Bar, California Applicant’s Attorney’s Association, California Workers’ Compensation Defense Attorneys Association, and training for Panel Qualified Medical Evaluators.

Mr. Shergill is a contributing editor to Herlick’s California Workers’ Compensation Handbook, Hanna’s California Law of Employee Injuries and Workers’ Compensation, and Workers’ Compensation Laws of California for Lexis.

Mr. Shergill is a graduate of U.C. Davis with degrees in Philosophy, Rhetoric and Communications. He earned his law degree from King Hall School of Law in Davis, California.