Section 1345.62 - Invention development services contracts(A) Every contract for invention development services shall be in writing and is subject to sections 1345.61 to 1345.68 of the Revised Code. The invention developer shall give a copy of the written contract to the customer at the time the customer signs the contract.(B) The invention developer shall provide in writing a description of the services to be performed pursuant to each contract. At the time the customer signs the contract, it shall state the fees and other consideration, if any, that may be required of the customer.(C) Any contract for invention development services signed by the invention developer and the customer may be revoked by either party prior to the expiration of a four working day period commencing on the date on which the customer and the invention developer sign the contract.(D) The invention developer or the customer may revoke the contract as follows:(1) Either the invention developer or the customer may revoke the contract by written notice to the other within four working days of the date the contract was signed by both. Written notice of revocation is effective upon the date of postmarking, if mailed, or upon receipt.(2) The invention developer upon revocation shall return to the customer any payment made on account of the performance of services specified in the contract and the customer shall return all materials and contracts submitted to him by the invention developer.Effective Date: 3/28/1985 .