Elements of a Successful Asset Purchase Agreement – Acquisitions Lawyers with decades of mergers and acquisitions experience, free consult 858-535-1511. Find top rated asset purchase agreement lawyers for San Diego, CA to hire.Post your legal needs and get proposals from CA APA lawyers. Whether you are a business buyer or seller, contact San Diego Corporate Law for a consultation to discuss your business sale options. A Purchase and Sale Agreement for a Business sets out the final transaction between a buyer and a seller of a business. It is generally fairly detailed. Seller desires to sell and Buyer desires to purchase certain assets of Seller used in the Business in accordance with the terms and conditions contained herein. An asset purchase agreement (APA) is a legally binding document that details the terms and conditions related to the purchase and sale of a company's assets. An asset purchase agreement, or asset sale agreement, should contain details about the business, buyer, seller, and assets acquired through the transaction. An APA, or Asset Purchase Agreement, is a contract in which a buyer and seller agree to the transfer of ownership for an asset at an agreed price.