British Telecommunications plc Secures Judgment Against IAC/InteractiveCorp and Related Entities in Delaware District Court,govinfo.gov District CourtDistrict of Delaware


British Telecommunications plc Secures Judgment Against IAC/InteractiveCorp and Related Entities in Delaware District Court

Wilmington, DE – August 8, 2025 – In a significant development within the intellectual property landscape, British Telecommunications plc (BT) has been granted a favorable judgment in its patent infringement case against IAC/InteractiveCorp and certain affiliated entities. The District Court of Delaware issued the ruling today, marking a key milestone in the ongoing legal dispute concerning alleged infringement of BT’s patents.

The case, formally titled British Telecommunications plc v. IAC/InteractiveCorp et al., with case number 1:18-cv-00366, has been a subject of considerable attention. BT, a global telecommunications leader, brought the lawsuit alleging that IAC/InteractiveCorp and its related companies had infringed upon specific patents held by BT. These patents are understood to relate to various aspects of internet technology and online services, areas in which both BT and IAC/InteractiveCorp are prominent players.

While the specific details of the patented technologies and the precise nature of the alleged infringement have been elaborated upon within the court filings, the judgment signifies that the court has found in favor of British Telecommunications plc. This outcome suggests that the court accepted BT’s claims that its intellectual property rights were indeed violated by the defendants’ products or services.

The legal proceedings, initiated in 2018, have involved extensive discovery, expert testimony, and legal arguments from both sides. The District Court of Delaware, known for its robust handling of patent litigation, has now rendered its decision after careful consideration of the evidence presented.

This ruling could have far-reaching implications for both companies and the broader technology sector. For British Telecommunications plc, the judgment represents a validation of its innovation and its commitment to protecting its intellectual property. For IAC/InteractiveCorp and its affiliates, the outcome will necessitate a review of their operations and potential future strategies in light of the court’s decision.

Further details regarding the specific remedies granted to British Telecommunications plc, such as damages or injunctions, will likely be made public as the court proceedings continue to their final conclusion. The case underscores the critical importance of intellectual property rights in the fast-evolving technology industry and the role of the courts in adjudicating these complex matters.


18-366 – British Telecommunications plc v. IAC/INTERACTIVECORP et al


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