Sixt Rent A Car — patent litigation as defendant

Sixt Rent A Car — company profile

The entity in the litigation data most likely corresponds to the U.S. rental arm of Sixt SE, the German mobility group commonly branded "SIXT." Sixt SE is a family-controlled, publicly listed Societas Europaea headquartered at Zugspitzstraße 1, Pullach im Isartal (near Munich), Germany. It was founded in 1912 by Martin Sixt, converted to a stock corporation in 1986 (Sixt AG) and to an SE in 2013. It trades on the Frankfurt Stock Exchange (SIX2 ordinary shares; SIX3 preferred) and is a member of the MDAX. Fifth-generation family principals Alexander and Konstantin Sixt serve as Co-CEOs. Reported headcount is roughly 8,900–9,100 (2025), with consolidated revenue of about €4.28 billion in FY2025 (first crossing €4 billion in 2024).

Operations. Sixt is an operating company, not a patent holder or licensor. Its business lines are vehicle rental (SIXT rent), commercial van and truck rental (SIXT van & truck), car sharing (SIXT share), ride-hailing/chauffeur intermediation (SIXT ride), and flexible car subscriptions (SIXT+), plus corporate leasing/fleet management through its former Sixt Leasing subsidiary (sold to Hyundai Capital Bank Europe in 2020). The group operates roughly 2,000–2,200 stations in more than 100 countries, largely company-owned in Europe and the U.S. with franchise partners elsewhere; U.S. operations are headquartered in Fort Lauderdale, Florida, and the U.S. is now among its largest markets.

Litigation posture. Sixt appears once in the tracked data, and solely as a defendant — the classic profile of an operating company targeted by a patent assertion entity. The suit, Cedar Lane Technologies Inc. v. Sixt Rent A Car, was brought by a plaintiff, not by Sixt.

Context. Cedar Lane Technologies is a Canadian NPE founded in 2019 (Nelson, British Columbia) that asserts acquired patents — including assets traced to Intellectual Ventures — generally in the Western District of Texas and District of Delaware, and has filed several hundred infringement suits with a very high settlement rate. Its asserted portfolios center on imaging, image data processing, and computer/communications technology.

Note: the case caption names "Sixt Rent A Car" rather than a specific legal entity; I could not verify which Sixt subsidiary is the named defendant.