Ramey LLP has filed a patent infringement lawsuit on behalf of VDPP, LLC against OSRAM SYLVANIA, INC., expanding their client's patent enforcement efforts into the lighting and optical technology sector.

The Patents at Issue

The lawsuit involves two U.S. patents protecting advanced 3D display technologies:

U.S. Patent No. 9,699,444 covers "Faster state transitioning for continuous adjustable 3deeps filter spectacles using multi-layered variable tint materials"—technology enabling rapid optical transitions in specialized 3D viewing eyewear.

U.S. Patent No. 9,716,874 encompasses "Continuous Adjustable 3Deeps Filter Spectacles for Optimized 3Deeps Stereoscopic Viewing, Control Method and Means therefore, and System and Method of Generating and Displaying a Modified Video"—a comprehensive system for optimized stereoscopic viewing.

Legal Action Filed

On May 30, 2025, VDPP filed its Original Complaint and demand for jury trial in the Eastern District of Texas, Marshall Division, seeking relief from patent infringement by OSRAM SYLVANIA.

Strategic Patent Enforcement

This lawsuit represents VDPP's systematic approach to protecting its 3D display technology patents across multiple industry sectors. By the case against OSRAM SYLVANIA, VDPP extends its enforcement efforts into the lighting and optical technology space, where these innovations may have broader applications.

Ramey LLP continues to demonstrate its commitment to making patent enforcement accessible to all patent holders, working to level the playing field by offering more affordable representation. This approach ensures that innovators can effectively assert their rights regardless of company size or resources.

Ramey LLP is a full-service litigation law firm working with a national client base from our Houston, Texas office. We are dedicated to enhancing client results through efficient practice management, innovative technologies and the use of skilled professionals.