Ramey LLP announced that its client, VDPP, LLC, has filed a patent infringement lawsuit against VTECH COMMUNICATIONS, INC. The lawsuit, aimed at protecting VDPP's innovative intellectual property, was filed on July 11, 2025, in the Western District of Texas, Midland/Odessa Division.

The lawsuit concerns the infringement of two key patents: U.S. Patent No. 9,426,452 and U.S. Patent No. 9,716,874.

• U.S. Patent No. 9,426,452 pertains to “Faster State Transitioning for Continuous Adjustable 3Deeps Filter Spectacles Using Multi-Layered Variable Tint Materials.”

• U.S. Patent No. 9,716,874 is entitled “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.”

VTech Communications, Inc., a subsidiary of VTech Holdings Limited, is a global leader in cordless phones, business phones, and baby monitors. Many of their products, such as the VTech Split Screen Baby Cam, utilize advanced video display technologies that involve generating and displaying modified video content, such as split-screen views. This functionality is directly relevant to the technologies covered by VDPP's patents.

VDPP, LLC's original complaint includes a demand for a jury trial and seeks relief from patent infringement. Ramey LLP is dedicated to pursuing this action vigorously on behalf of its client.

Ramey LLP is committed to leveling the playing field in patent infringement litigation by making it more affordable. The firm believes that all patent owners, like VDPP, LLC, should be able to assert their rights against infringers, such as VTECH COMMUNICATIONS, INC. This lawsuit highlights the importance of intellectual property protection in the competitive consumer electronics market, where advanced display and video processing technologies are key differentiators.

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.