Patent ID: 7627892

Claim:
A method for transacting, purchasing and publishing copyrighted digital content, comprising: providing digital content files on a retrieval platform, each digital content file being provided by a digital content provider and having a copyright description file describing copyright information of the digital content file and authorization methods required by the digital content provider; searching for a specific digital content file from the digital content files on the retrieval platform by a user; obtaining a payment receipt for the specific digital content file from a transaction platform by the user using one of the authorization methods of the specific digital content file, and sending the obtained payment receipt to a corresponding digital content provider of the specific digital content file; issuing a new copyright description file for the specific digital content file to the user by the corresponding digital content provider upon receiving the payment receipt, so as to allow the user to use the specific digital content file; and collecting payment receipts for the digital content files for each digital content provider and sending the payment receipts to the transaction platform for obtaining payments.