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A Patent Firm Lumen is a Patent Firm Committed to Providing Excellence to our High Technology Clients. For more information about how we can serve you please contact us at the address/telephone below and visit our full web page by clicking the "ENTER" button. Lumen Patent Firm Serving California and The Pacific Northwest Headquarters: 2345 Yale Street, Second Floor, Palo Alto, CA 94306 Phone: 1-888-475-8636   Note: The Macromedia Flash plugin 6 or above is required to view this site. If you do not already have it please install before entering the main site. Directions to Lumen