Altering someone's writing without their permission. Pennsylvania Criminal Law Team outlines the state's forgery laws and penalties.For our help, contact us today. Find out how forgery charges in PA can have long-lasting consequences. If you have been arrested for counterfeiting or forging signatures or other information, call Philadelphia forgery defense lawyer Lloyd Long. The short answer is "Yes," it is a crime. The key to Pennsylvania's forgery statute is that there must be an "intent to defraud or injure." If you are facing criminal charges for Forgery or other theft-related charges, our Philadelphia criminal defense lawyers can help. Forgery. (a) Offense defined.