Big Will Enterprises' Motion Activity Patent Campaign, From 33 Texas Infringement Suits to Declaratory Judgment Suits by Rail and Railcar Companies.

This page is the campaign hub for patent infringement suits filed by Big Will Enterprises Inc., which its complaints describe as a British Columbia company, incorporated in Canada, with its principal place of business in Vancouver, British Columbia, and for the declaratory judgment suits filed against it. From January 2020 through October 2026, Big Will filed the 33 infringement suits listed here in the Western, Eastern, Northern, and Southern Districts of Texas, each on one or more of six patents. In 2026, GATX Corporation filed a declaratory judgment suit against Big Will in the Northern District of Illinois; Union Tank Car Company and Wi-Tronix, LLC sued it there, and RailPod, Inc. sued it in the District of Massachusetts, each seeking declaratory judgments of non-infringement and invalidity.

The patents

U.S. Patent 9,049,558, "Systems and Methods for Determining Mobile Thing Motion Activity (MTMA) Using Sensor Data of Wireless Communication Device (WCD) and Initiating Activity-Based Actions," issued June 2, 2015 and lists Martin Kelly Jones, Scott Andrew Horstemeyer, and Maria Khomenko as inventors. U.S. Patent 8,452,273, "Systems and Methods for Determining Mobile Thing Motion Activity (MTMA) Using Accelerometer of Wireless Communication Device," issued May 28, 2013 and lists Maria Khomenko, Martin Kelly Jones, and Scott Andrew Horstemeyer. Both claim the benefit of three provisional applications filed August 30, 2012, and the '558 patent also claims the benefit of a provisional application filed July 5, 2013.

U.S. Patent 8,559,914, "Interactive Personal Surveillance and Security (IPSS) System," issued October 15, 2013 and lists M. Kelly Jones as the inventor; it claims the benefit of a provisional application filed January 16, 2008. U.S. Patent 8,737,951, "Interactive Personal Surveillance and Security (IPSS) Systems and Methods," issued May 27, 2014 from a continuation-in-part of the '914 patent's application and of the '558 patent's application. U.S. Patent 8,977,230, with the same title, issued March 10, 2015 from a division of the '951 patent's application. U.S. Patent 10,521,846, "Targeted Advertisement Selection for a Wireless Communication Device (WCD)," issued December 31, 2019. The '951, '230, and '846 patents each list Martin Kelly Jones and Scott Andrew Horstemeyer (on the '846 patent, Scott A. Horstemeyer) as inventors.

The 2020 suits

Big Will's first four suits, two against Unaliwear, Inc. and one each against Kronoz LLC and Montblanc North America, LLC, attached the '558, '914, and '273 patents to the complaint, and all but the Kronoz complaint also attached the '951 patent. Big Will filed a notice of dismissal in each case, and the Kronoz case closed with an order of dismissal entered June 8, 2020.

The 2022 to 2025 suits

From September 2022 through November 2025, Big Will filed 26 suits, most of them in the Western District of Texas. The complaints against Nationwide Mutual Insurance Company, Solera Holdings, Inc. (twice), The Allstate Corporation and Allstate Insurance Company, Uber Technologies, Inc., and The American Automobile Association, Inc. attached or asserted all six patents. Most of the later complaints asserted the '846, '558, '951, '914, and '273 patents, while the suits against Safe Apps Limited, Solutions Into Motion Limited, Geometris LP, and Frotcom International, S.A. asserted smaller sets. The Wi-Tronix complaint describes the defendants in Big Will's earlier suits as companies in the automotive, transportation, telematics, insurance, logistics, and technology industries.

SafeDrivePod International B.V. answered and counterclaimed, and the court entered a scheduling order before a motion to dismiss and an order on it in August 2024. In the suit against Huzhou Dingchen Trading Co., Ltd., the court held a claim construction hearing and entered a claim construction order on November 25, 2025, before the case was stayed and then dismissed by order entered July 28, 2026. The dockets of all but three of these 26 suits show a notice of dismissal, a motion to dismiss, or an order of dismissal; in the suits against Safe Apps Limited, Solutions Into Motion Limited, and Frotcom International, S.A., the latest entries are orders entered June 3, 2026 and September 3, 2026.

The 2026 infringement suits

Big Will Enterprises Inc. v. Enterprise Holdings Inc., No. 1:26-cv-00652 (W.D. Tex.), filed March 18, 2026, asserts the '846, '558, '951, and '273 patents and alleges, on information and belief, that Enterprise uses infringing telematics systems including Enterprise truck rental driver-behavior and event reporting via on-vehicle telematics. A motion to dismiss for failure to state a claim was briefed in July 2026, and an order was entered September 3, 2026.

Big Will Enterprises Inc. v. Nexxiot Inc., No. 4:26-cv-01384 (E.D. Tex.), filed September 27, 2026, asserts the '558, '951, and '273 patents. It alleges that Nexxiot designs, manufactures, sells, and supports railcar and supply-chain telematics solutions, including Nexxiot Globehopper, Globehopper Edge, Vector, and the Nexxiot Connect intelligent cloud platform, and alleges, on information and belief, that Nexxiot manufactures, sells, and uses infringing railcar and supply-chain telematics systems including them. The court entered an order dismissing the case on November 2, 2026, after a notice of voluntary dismissal filed October 29. Big Will Enterprises Inc. v. Curtiss-Wright Corporation, No. 1:26-cv-02973 (W.D. Tex.), filed October 21, 2026, asserts the same three patents and alleges direct and induced infringement by aircraft flight-data recording and access solutions, including the Cockpit Panel Quick Access Recorder (CPQAR) and the Acra KAM-500 data-acquisition architecture. These are Big Will's allegations.

The declaratory judgment suits

GATX Corporation v. Big Will Enterprises Inc., No. 1:26-cv-08492 (N.D. Ill.), filed July 17, 2026, was the first declaratory judgment suit; GATX filed a notice of voluntary dismissal without prejudice on September 1, 2026, and the court terminated the case by minute entry on September 2, 2026. Union Tank Car Company v. Big Will Enterprises Inc., No. 1:26-cv-10014 (N.D. Ill.), filed August 19, 2026, alleges that Big Will sent Union Tank Car a demand letter dated July 13, 2026 accusing it of infringing the '273, '914, '951, and '558 patents through an alleged "integrated railcar telematics architecture," and that Big Will sent substantially similar letters to other participants in the railcar industry, including at least GATX Corporation. Union Tank Car filed a notice of voluntary dismissal on August 25, 2026, and the court dismissed the action that day.

RailPod, Inc. v. Big Will Enterprises Inc., No. 1:26-cv-14482 (D. Mass.), filed October 1, 2026, describes RailPod as a manufacturer of autonomous and semi-autonomous vehicles and software for the inspection of railroad tracks and alleges that Big Will delivered a "Notice of Infringement" asserting the '558, '273, '914, and '951 patents. Alongside declaratory judgment counts, it pleads a claim under Mass. Gen. L. c. 93A, sections 2 and 11. A notice of voluntary dismissal was filed in that case on October 12, 2026.

Wi-Tronix, LLC v. Big Will Enterprises Inc., No. 1:26-cv-13978 (N.D. Ill.), a verified complaint filed November 10, 2026, seeks declaratory judgments of non-infringement and invalidity of the '273, '914, '951, and '558 patents and relief under the Illinois Consumer Fraud and Deceptive Business Practices Act. Wi-Tronix describes itself as a designer, manufacturer, and maintenance provider of railroad, locomotive, and rail vehicle transport systems, and alleges that Big Will sent demand letters to several Wi-Tronix customers, which it says include railroad companies, accusing their use of the Wi-Tronix Violet Edge platform system of infringing the four patents. It alleges that its customer contracts generally include patent infringement indemnification clauses, and its prayer asks for a permanent injunction barring Big Will from suing Wi-Tronix or its Violet Edge customers on the four patents. Union Tank Car's complaint pleads a claim under the same Illinois statute. These are the declaratory judgment plaintiffs' allegations.

The proceedings

The table lists each suit on this page in order of filing, Big Will's infringement suits first and then the declaratory judgment suits, with the status each docket shows through November 11, 2026. Patents appear by their last three digits; the full numbers are above. For the Big Will suits, the patents are those the complaint asserts or attaches as exhibits; the Earnix case, transferred from the Northern to the Eastern District of Texas, appears once.

What to watch next

Watch for Big Will's answer or Rule 12 motion in the Wi-Tronix case, for an answer or Rule 12 motion from Curtiss-Wright Corporation, and for further entries after the September 3, 2026 orders in Nos. 1:26-cv-00652, 1:24-cv-00833, and 1:25-cv-01929 and the June 3, 2026 order in No. 2:24-cv-00418. Any of these cases can end at any time, including by settlement or voluntary dismissal.