Defendant
1 case as defendant.
AG 18, LLC is a privately held Delaware limited liability company with a principal place of business in Great Neck, New York. An SEC filing indicates the entity was formed in 2024, listing Lily Guo as an executive officer. The company has no publicly available information regarding its employee count or revenue.
The company appears to be a non-practicing entity (NPE), as it does not have any discernible products or operational business. Its activities center on monetizing a patent portfolio related to online gaming technology. The patents asserted by AG 18, LLC include at least U.S. Patent No. 9,978,205, titled “Location Based Restrictions on Networked Gaming,” which describes a system for restricting a player's online wagering based on their geographic location.
AG 18, LLC's litigation posture is that of a patent assertion entity. The company has been tracked in one case, which it filed as a plaintiff, and has not been named as a defendant in any tracked suits. Its single case was filed in the U.S. District Court for the District of New Jersey in 2021.
The company's notable litigation is its case against DraftKings Inc. Following the lawsuit's filing, DraftKings challenged the validity of AG 18's patents before the U.S. Patent Trial and Appeal Board (PTAB). In May 2026, the U.S. Court of Appeals for the Federal Circuit affirmed a PTAB decision that found many claims of the '205 patent unpatentable, but upheld the validity of a single contested claim that DraftKings had failed to properly challenge in its petition.
DraftKings petitioned for inter partes review of the '498 patent. The PTAB instituted review and, in its Final Written Decision, found the challenged claims of the '498 patent (all claims asserted in the litigation) unpatentable as anticipated and/or obvious. The patent owner appealed.