An agreement for transferring ownership of patents from a seller to a buyer. This Standard Document is drafted to be used for a stand-alone patent acquisition transaction. It is not meant for use in the acquisition of patents and patent applications as part of a larger asset purchase transaction involving all or substantially all of the assets of a company or business. This form includes as an exhibit a short-form assignment that can be executed and recorded with the US Patent and Trademark Office against scheduled patents and applications. This Standard Document has integrated notes with important explanations and drafting and negotiating tips.