Signature forgery refers to creating or imitating someone else's signature without their permission or authorization, intending to deceive others. What harm can a forgery on a consent form cause?If the consent form consisted of 5 pages it required your signature on. Forging a signature is never legal with or without consent, approval, or knowledge. Whether you grasp this or not, there is no way around forged signatures. You must only sign these documents when you have permission, as the consequences for forgery in Tennessee can be severe. Yes, you can give someone permission to sign your name, but it must be done through a formal authorization process, such as a power of attorney. You should never sign someone else's name no matter what the circumstances are. Even if you have permission you still signed someone else's name. Forgery covers a broad range of deceitful acts, including making, using, and possessing forged instruments.