There are several modes of patent trading.

1, contract patent transaction Any patent transaction will be determined in the form of a contract. Contract patent trading refers to the way that the patent transferor and transferee independently conduct patent trading without going through the patent trading intermediary in accordance with the contract requirements set by the laws and regulations related to the contract. This type mainly includes patent technology transfer agreement, patent technology contracting agreement, patent technology consulting agreement, patent technology service agreement and patent technology shareholding agreement. Contract patent transaction is generally applicable to the case that the subject of patent transaction is simple and clear, but the subject of patent transaction is complex. 2. Auction-style patent transaction auction is a way of price competition with many bidders. As long as each bidder meets the purchasing power and corresponding conditions, he can participate in the auction, and after winning the highest price, he will have the opportunity to obtain the auction target. The process is relatively open and transparent, which helps to maximize the value of the auction target. 3. Bidding patent transactions Bidding patent transactions are mainly divided into two forms: open bidding and invitation bidding. Its basic process is that, according to the entrustment of the patent supply and demand sides and the requirements of relevant laws and regulations, bidding activities are organized by bidding trading institutions.