Ramey LLP announced that its client, MISSED CALL, LLC, has filed a patent infringement lawsuit against SANGOMA US, INC. The lawsuit, lodged in the Western District of New York, Buffalo Division, centers on the infringement of U.S. Patent No.  9,531,872.

The patent in question, U.S. Patent No. 9,531,872, generally covers “Communication Apparatus For Providing An Indication About A Missed Call, And Method Thereof.” This technology is foundational to how communication systems inform users about missed calls, a ubiquitous feature in modern telecommunications.

MISSED CALL, LLC initiated the legal proceedings by filing its Original Complaint and demand for a jury trial on May 30, 2025. The company is seeking relief from patent infringement and aims to protect its intellectual property rights.

Ramey LLP will be representing MISSED CALL, LLC throughout the legal process. The firm is committed to diligently pursuing relief on behalf of its client, with the goal of safeguarding MISSED CALL's innovative contributions to communication technology and addressing any infringement by SANGOMA US, INC.

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.