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Method for loaning digital works Number:7,058,606 from the United States Patent and Trademark Office (PTO) owispatent

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Title: Method for loaning digital works

Abstract: A method for loaning a digital work having one or more rights associated therewith within a system having repositories configured to enforce use of the digital work in accordance with the rights. A loan right is associated with a digital work and specifies how the digital work can be loaned. If a request for the digital work is valid, use of the digital work is transferred during a loan period from a repository to the requester in accordance with the loan. Loan right data for the digital work is then updated and use of the digital work by the requestor is deactivated upon exhaustion of the loan period.

Patent Number: 7,058,606 Issued on 06/06/2006 to Stefik,   et al.


Inventors: Stefik; Mark J. (Woodside, CA); Pirolli; Peter L. T. (El Cerrito, CA)
Assignee: ContentGuard Holdings, Inc. (Wilmington, DE)
Appl. No.: 463761
Filed: June 18, 2003


Related U.S. Patent Documents

Application NumberFiling DatePatent NumberIssue Date
09778001Feb., 20016708157
08967084Nov., 19976236971
08344760Nov., 1994

Current U.S. Class: 705/51 ; 380/201; 380/202; 705/52; 705/53; 705/54; 705/56; 705/58; 705/59; 713/168; 713/169; 713/170
Field of Search: 705/51-54,56-59 380/201-202,231 713/168-175,150-194


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Primary Examiner: Abdi; Kambiz
Attorney, Agent or Firm: Kaufman; Marc S. Villamar; Carlos R. Nixon Peabody, LLP

Parent Case Text



CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. patent application Ser. No. 09/778,001 of STEFIK, et al., filed on Feb. 7, 2001, entitled "SYSTEM FOR CONTROLLING THE DISTRIBUTION AND USE OF DIGITAL WORKS USING DIGITAL TICKETS," now U.S. Pat. No. 6,708,157, which is a divisional of U.S. patent application Ser. No. 08/967,084, filed on Nov. 10, 1997, now U.S. Pat. No. 6,236,971, which is a continuation of U.S. patent application Ser. No. 08/344,760, filed on Nov. 23, 1994, now abandoned, the entire disclosures of all of which are hereby incorporated by reference herein.
Claims



What is claimed is:

1. A method for loaning use of a digital work having one or more rights associated therewith within a system having end-user repositories configured to enforce use of said digital work in accordance with said one or more rights, said method comprising: electronically associating a loan right with a digital work, said loan right specifying how the digital work is loaned and a loan periods, wherein the loan right is created from a grammar including one or more symbols selected from a set of predetermined symbols to define a valid sequence of symbols to indicate how the digital work is loaned and the loan period; electronically receiving at an end-user loaner repository from an end-user requestor repository a loan request message specifying the digital work; electronically determining at the loaner repository if said request message is valid; electronically transferring by the loaner repository use of the digital work during the loan period to the requester repository in accordance with said loan right if said loan request message is determined to be valid by the loaner repository; electronically updating loan right data for the digital work by the loaner repository; and electronically deactivating use of the digital work by the requester repository upon exhaustion of the loan period, wherein the requester repository and the loaner repository include both a requester mode of operation and a server mode of operation, the requester mode of operation is configured for sending a loan request message specifying a digital work to a loaner repository, and the server mode of operation is configured for processing a received loan request message from a requester repository.

2. The method of claim 1, wherein said loan period is a time period and said determining step comprises determining by the loaner if a time period specified in said loan request extends beyond a period of loan time permitted.

3. The method of claim 1, wherein said loan period is a duration in which the digital work is played a specified number of times and said determining step comprises determining by the loaner repository if a specified number of time in said loan request extends beyond a period of loan time permitted.

4. The method of claim 1, further comprising reporting a fee transaction in response to said transferring step.

5. The method of claim 1, further comprising reporting a fee transaction that is based on the time period between said transferring step and said deactivating step.

6. The method as recited in claim 1, wherein said deactivating step comprises automatically erasing the a received digital work from said requester repository.

7. The method as recited in claim 1, wherein said transferring step comprises transferring a copy of said digital work from said loaner repository to said requestor repository.

8. The method of claim 1, wherein said request message indicates at least one of the digital work to be loaned, a version of a loan right to be used in said digital work transfer transaction, a destination address for placing the loaned digital work, a number of copies of the digital work to be loaned, file data for the digital work to be loaned, and a time period for the loan.

9. The method of claim 1, wherein said transferring step comprises transferring a next-set-of-rights associated with said digital work for enforcing use of the digital work.

10. The method of claim 1, wherein said transferring step comprises transferring by the loaner repository original rights associated with said digital work as modified to reflect said loan period for enforcing use of said digital work by said requester repository.

11. The method of claim 1, wherein said requestor repository is adapted to receive and store said requested number of copies of said digital work and the corresponding rights.

12. The method of claim 1, further comprising: updating rights information associated with the loaned copies of said digital work to reflect the number of copies loaned.

13. The method of claim 12, further comprising: precluding use of said digital work by said loaner repository until said requested number of copies of said digital work are deactivated by said requester repository; and precluding by said loaner repository further loaning of said digital work if there are no more copies of said digital work remaining for loaning.

14. The method of claim 1, further comprising: receiving a return message from said requester repository including an identification of said requester repository, and an identification of said digital work transfer transaction, prior to said predetermined time period being exhausted; and decrementing by said loaner repository a copies-in-use field associated with said digital work by a number of copies of said digital work that are returned by said requester repository.

15. The method of claim 14, further comprising; deactivating a number of copies of said digital work corresponding to the number of copies of said digital work that are returned by said requester repository; and removing contents of said digital work in said requester repository corresponding to the number of copies of said digital work that are returned from said requester repository.

16. The method of claim 1, further comprising decrementing a copies-in-use field associated with said digital work by a number of copies of said digital work that are loaned to said requester repository if a return message is not received at said loaner repository from said requester repository prior to said predetermined time period being exhausted; and making said digital work available for further loaning if copies of said digital work remain for loaning.

17. The method of any one of claim 1, wherein said loan right is stored on the same physical device as said associated digital work.

18. The method of claim 1, wherein said loan right and said associated digital work are stored on different physical devices.

19. The method of claim 1, wherein said digital work is a music work.

20. The method of claim 1, wherein said digital work is a video work.

21. The method of claim 1, wherein said digital work is a multimedia work.

22. The method of claim 1, wherein said digital work is a composite digital work.

23. The method of claim 1, wherein said digital work is software.

24. The method of claim 23, wherein said loan right specifies how said digital work may be executed.

25. The method of claim 23, wherein said loan tight specifies how said digital work may be installed.

26. The method of claim 23, wherein said loan right specifies how said digital work may be uninstalled.

27. The method of claim 1, wherein said loaner and requester repositories comprise the same physical device.

28. The method of claim 1, wherein said method is implemented with one or more hardware and software components configured to perform the steps of the method.

29. The method of claim 1, wherein said method is implemented with one or more computer readable instructions embedded on a computer readable medium and configured to cause one or more computer processors to perform the steps of the method.

30. A system for loaning use of a digital work having one or more rights associated therewith, the system comprising: an end-user loaner repository; and an end-user requestor repository, wherein the end-user repositories are configured to enforce use of to digital work in accordance wit the one or more rights, a loan fight is associated with to digital work, the loan right specifying how the digital work is loaned and a loan period, wherein the loan right is created from a grammar including one or more symbols selected from a set of predetermined symbols to define a valid sequence of symbols to indicate how the digital work is loaned and the loan period; the end-user loaner repository receives from the end-user requestor repository a loan request message specifying the digital work, the loaner repository determines if the request message is valid, the loaner repository transfers use of to digital work during to loan period to the requester repository in accordance with to loan right If the loan request message is determined to be valid by the loaner repository, the loaner repository updates loan right data for the digital work, to requester repository deactivates use of the digital work upon exhaustion of the loan period, the requester repository and the loaner repository include both a requester mode of operation and a server mode of operation, the requester mode of operation is configured for sending a loan request message specifying a digital work to a loaner repository, and the server mode of operation is configured for processing a received loan request message from a requester repository.

31. The system of claim 30, wherein the loan period is a time period, and the loaner repository determines if a time period specified in the loan request extends beyond a period of loan time permitted.

32. The system of claim 30, wherein the loan period is a duration in which the digital work is played a specified number of times, and the loaner repository determines if a specified number of time in the loan request extends beyond a period of loan time permitted.

33. The system of claim 30, wherein a fee transaction is reported in response to the transferring of the use of the digital work.

34. The system of claim 30, wherein a reporting a fee transaction is based on the time period between the transferring of the use of the digital work and the deactivating of the use of the digital work.

35. The system as recited in claim 30, wherein a received digital work is automatically erased from the requester repository.

36. The system as recited in claim 30, wherein a copy of the digital work is transferred from the loaner repository to the requestor repository.

37. The system of claim 30, wherein the request message indicates at least one of the digital work to be loaned, a version of a loan right to be used in the digital work transfer transaction, a destination address for placing the loaned digital work, a number of copies of the digital work to be loaned, file data for the digital work to be loaned, and a time period for the loan.

38. The system of claim 30, wherein a next-set-of-rights associated with the digital work for enforcing use of the digital work are transferred by the loaner repository.

39. The system of claim 30, wherein the loaner repository transfers original rights associated with the digital work as modified to reflect the loan period for enforcing use of the digital work by the requester repository.

40. The system of claim 30, wherein the requestor repository is adapted to receive and store the requested number of copies of the digital work and the corresponding rights.

41. The system of claim 30, wherein rights information associated with the loaned copies of the digital work are updated to reflect the number of copies loaned.

42. The system of claim 41, wherein the loaner repository preclud


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