Currently active in the following standardization workgroups and other industry fora:

• CMLA (Content Management License Administrator)
• DLNA Content Protection Subcommittee
• DVB Content Protection Technology workgroup
• IEC 62455 Maintenance Team

Past participation:

• DLNA Home Networking Subcommittee (HNv1)
• DLNA Media Format Task Force
• DVB-CM-SEC
• DVB-TM-CBMS
• IEC 62455 Project Team
• OMA BCAST

• Improving the usability of Digital Rights Management technologies
• Sharing of protected content between different devices
• Digital TV, mobile TV 
• Remote access, placeshifting

1. US patent 6,959,090 Content Protection scheme for a digital recording device
2. US patent 6,988,204 System and method for key distribution and network connectivity
3. US patent 7,487,363 System and method for controlled copying and moving of content between devices and domains...
4. US patent 7,568,111 System and method for using DRM to control conditional access to DVB content