The United States Patent and Trademark Office (USPTO) intends to contract with Sign Up 4. com for additional user licenses for existing web-based event management system. The USPTO is conducting this acquisition under other than full and open competition procedures under the Statutory authority 41 USC 253 (c)(1) "Only one responsible source and no other type of supplies or services will satisfy the agency's requirements". The USPTO finds that Sign Up 4. com is the only responsible source to satisfy the USPTO's requirements. This synopsis is not considered a request for quotations or proposals and a solicitation will not be issued.