Uniloc USA, Inc.

Uniloc USA, Inc. is a privately held company known for patent licensing and assertion. Originally a US subsidiary of an Australian company founded in 1992 that developed software activation and copy protection technology, Uniloc USA was established in 2003. While it has a history of developing technology, its primary business is now patent monetization, and it is widely characterized by sources like Unified Patents and in legal filings as a non-practicing entity (NPE) or patent assertion entity. The company is an affiliate of Fortress Investment Group, a large investment firm that acquired Uniloc's patent assets and monetization business. Sources report a small employee count, with one estimate at 6 people as of early 2026.

Uniloc does not manufacture products but owns and asserts a large portfolio of patents. Its original patents, developed by founder Ric Richardson, covered software product activation, often known as "try and buy" software. This technology was designed to prevent unauthorized software copying. Over time, its asserted portfolio has expanded to include patents related to digital rights management (DRM), communication systems for wireless devices, and motion estimation for digital video encoders. The company's business model is based on licensing this patent portfolio to technology companies, often under the threat of litigation.

The company's litigation posture is exclusively that of a plaintiff. The provided data shows Uniloc USA, Inc. as the plaintiff in all 11 tracked cases, with zero instances of it being a defendant, a pattern typical of an NPE. Uniloc has been a prolific filer of patent lawsuits, with many of its cases filed in jurisdictions considered favorable to patent plaintiffs, such as the U.S. District Court for the Eastern District of Texas. Critics have described the company as a "patent troll" due to its aggressive litigation tactics against a wide range of software companies.

Uniloc's most notable litigation was its long-running suit against Microsoft, first filed in 2003 over a software product activation patent. A jury initially awarded Uniloc a landmark $388 million verdict, which was among the largest in patent history at the time, though this verdict was subsequently vacated by the judge. The case ultimately ended in a settlement for an undisclosed amount in 2012. More recently, Uniloc's relationship with its litigation backer, Fortress Investment Group, drew scrutiny in an antitrust lawsuit filed by Apple and Intel, which alleged anticompetitive behavior through the aggregation of thousands of patents to extract excessive royalties.