Christophe Gouguenheim

20040235521, Nov 25, 2004

May 1, 2003

10/428810

Salil Pradhan - Santa Clara CA, US
Christophe Gouguenheim - Mountain View CA, US
Bill Serra - Montara CA, US

H04B001/38
H04M001/68

455/558000, 455/411000

The present invention includes a method and system for exchanging digital media. According to the present invention, a method and system includes transmitting access rights between system users wherein the access rights allow access to certain types of transferable media. The access rights can be transmitted by paying a fee to the transmitting user. A first aspect of the present invention includes a method of exchanging digital media. The method includes receiving a user identifier, securely accessing device based on a first transaction between the user identifier and the device and allowing the device to transmit at least one access right to a media to the user identifier based on a second transaction between the user identifier and the device.

20050096993, May 5, 2005

Oct 31, 2003

10/714379

Salil Pradhan - Santa Clara CA, US
Christophe Gouguenheim - Mountain View CA, US
Cyril Brignone - Mountain View CA, US

G06F017/60

705024000

The invention provides for restoration of lost peer-to-peer offline transaction records. The lost offline transaction records may include access rights to digital media. In one embodiment, a demand for restoration of a plurality of lost peer-to-peer offline transaction records is made. In response, an attempt is made to verify each transaction for the plurality of lost transaction records. This attempt is made through another party to the corresponding transaction. An accuracy indicator is assigned to each transaction to indicate whether the transaction is verified directly through another party to the corresponding transaction. A determination is made as to whether each transaction record of the plurality of lost transaction records should be restored based on the assigned accuracy indicators.