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Innovation within Digital Rights Management

The background to the contents of this thesis is my position as a Patent Engineer at Ericsson AB, where I am responsible for the patenting of innovations within the technology area of DRM. A need for an overview of DRM indicating the innovation trends was identified. The thesis is of interest for Ericsson’s patent & licensing development, as well as for development engineers working and innovating within DRM at Ericsson. | Master Thesis Computer Science Thesis no: MCS-2005:17 September 2005 Innovation within Digital Rights Management Camrie Agushi Department of Interaction and System Design School of Engineering Blekinge Institute of Technology Box 520 SE – 372 25 Ronneby Sweden This thesis is submitted to the Department of Interaction and System Design, School of Engineering at Blekinge Institute of Technology in partial fulfillment of the requirements for the degree of Master of Science in Computer Science. The thesis is equivalent to 20 weeks of full time studies. Contact Information: Author: Camrie Agushi E-mail: camrie.agushi@ericsson.com External advisor: Peter Ericsson Nestler Ericsson AB Address: Nya Vattentornet, SE-221 83 Lund Phone: +46 46 193000 University advisor: Andreas Jacobsson Department of Interaction and System Design Department of Internet : www.bth.se/tek Interaction and System Design Phone : +46 457 38 50 00 Blekinge Institute of Technology Fax : + 46 457 102 45 Box 520 SE – 372 25 Ronneby ii Sweden PREFACE The following document is a Master of Science thesis comprising 20 weeks of fulltime studies within the subject of Computer Science. The work has been conducted at Ericsson AB in Lund in co-operation with Blekinge Tekniska Högskola in Ronneby. The background to the contents of this thesis is my position as a Patent Engineer at Ericsson AB, where I am responsible for the patenting of innovations within the technology area of DRM. A need for an overview of DRM indicating the innovation trends was identified. The thesis is of interest for Ericsson’s patent & licensing development, as well as for development engineers working and innovating within DRM at Ericsson. The work with the thesis has been both interesting and instructive, and I have received many valuable experiences that I can use in my professional work at Ericsson AB. I would like to thank my advisor at Ericsson AB, Mr. Peter Ericsson Nestler, for his valuable comments and support in my work of .