Garmin Acquires Muscle Oxygen Pioneer Moxy as Tech Giant Faces New Patent Lawsuit

The sports technology landscape is experiencing a significant shift following confirmation that Garmin has acquired Moxy, the specialized muscle oxygen sensor company. The buyout brings together two entities that have maintained a close, collaborative relationship for more than a decade, though the acquisition itself has arrived with an uncharacteristically quiet approach from the corporate giant. Meanwhile, Garmin is simultaneously navigating a fresh intellectual property lawsuit from a familiar litigious entity targeting foundational data-tunneling technologies.

Garmin’s Quiet Acquisition of Moxy Monitor

Garmin officially confirmed the transaction with a brief corporate statement, noting simply that the company can confirm its acquisition of Moxy Monitor, but has no further comment at this time.

For industry watchers, the extreme brevity of the statement stands in stark contrast to Garmin’s usual playbook for corporate acquisitions. Typically, when Garmin absorbs a company—such as its recent acquisition of TrainingPeaks—it issues a comprehensive press release complete with corporate enthusiasm, executive statements, and assurances regarding the integration of the acquired workforce. Concurrently, the acquired entity usually reaches out to its existing customer base with reassurances that operations will continue smoothly. This time, however, the industry has received virtually no outward corporate messaging, leaving observers to piece together the implications of the buyout.

Moxy, founded and led by Roger Schmitz, has occupied a unique niche in the fitness technology ecosystem for many years. Unlike consumer-facing fitness brands that chase massive retail scale, Moxy built a stable, highly respected business focused primarily on coaches, academic institutions, and elite sports science laboratories. While everyday athletes could purchase the hardware, the company’s core focus remained firmly rooted in physiological data and scientific accuracy rather than high-gloss consumer marketing. Schmitz, widely regarded as one of the most approachable figures in the sports tech community, maintained consistent hardware pricing for years while steadily implementing incremental updates to the sensor technology. Production volumes remained modest compared to mass-market consumer electronics.

The history between Garmin and Moxy runs deep. Moxy was an early adopter of the ANT+ wireless protocol, announcing support back in January 2014. Later that year, Moxy was showcased at the ANT+ Symposium when Garmin first introduced Connect IQ. Within months, Moxy launched the very first Connect IQ application on Garmin wearables. In a rare move for the era, Moxy eventually secured official ANT+ Muscle Oxygen profile certification a year later, embedding native support directly into Garmin watches without requiring a third-party Connect IQ application. During those formative years, Moxy competed directly with BSX Athletics in the muscle oxygen space until BSX ultimately folded, after which Moxy stepped forward to offer transition pathways for displaced BSX users.

Industry analysts suggest Garmin’s acquisition likely serves two distinct strategic purposes. First, advances in manufacturing and miniaturization open the door for Garmin to potentially integrate muscle oxygen sensing capabilities into much smaller form factors, such as modern sports watches or wrist-based wearables, leveraging Garmin’s massive global distribution network. Second, the acquisition serves as a strategic defensive move. Major tech and fitness companies—such as Whoop, known for its aggressive intellectual property strategies—could have targeted Moxy for its foundational patent portfolio. Securing the company preemptively protects Garmin from potential future legal entanglements and patent assertions.

Regarding the immediate future of the existing Moxy user base, questions remain open due to Garmin’s silence. However, because the hardware does not rely on mandatory proprietary cloud servers unless utilizing the specific Moxy Portal—and because Moxy historically provided users with numerous alternative and free analysis platforms—current device owners face little immediate disruption to their daily training workflows.

Garmin Faces New Patent Infringement Lawsuit

In a separate development highlighting the legal complexities faced by major technology firms, Garmin has found itself targeted in a new patent infringement lawsuit filed in federal court. For large multinational corporations operating in the United States, facing intellectual property lawsuits is an ordinary cost of doing business. The vast majority of these complaints—often initiated by non-practicing entities or patent holding firms—are eventually dismissed, though they require substantial investments of time and legal resources to contest.

The latest legal challenge originates from IOENGINE, a patent holding company that has previously pursued similar infringement claims against a wide array of major technology corporations, including PayPal, Imation, Ingenico, Roku, and Samsung. The most prominent of these previous legal battles involved a multi-year suit against PayPal that stretched across nearly eight years before IOENGINE ultimately lost on virtually every substantive count.

Despite those historical setbacks, IOENGINE has renewed its legal offensive, filing parallel lawsuits against both Garmin and Samsung. The core of the complaint centers around a patent originally filed in 2004 that broadly governs methods for tunneling data between computing points. The scope of the patent claim is so expansive that the legal filing cites entirely routine software and hardware operations as examples of alleged infringement. Specifically, the lawsuit points to the synchronization of data between Garmin devices—such as contrasting a Fenix E with a Fenix 5—and references everyday background processes like copying Physio TrueUp performance metrics to the Garmin Connect ecosystem.

Legal technology analysts have expressed astonishment at the breath of the claims, noting that the fundamental premise described in the patent closely mirrors basic, standard operating procedures inherent to modern computing and networking. Applying such a broad standard to Garmin—a company with a proven track record of vigorously and successfully defending against patent troll litigation—presents a formidable challenge for the plaintiff.

Over the past year, Garmin has increasingly utilized its legal rebuttals not only to defend its products but to actively push back against incoming claims, as evidenced by its aggressive countersuits and legal responses in prior disputes like the high-profile litigation involving Suunto. Legal experts believe that Garmin’s robust and publicly assertive defense strategy is designed to create a deterrent effect, signaling to patent holders that filing speculative suits against the company will result in a costly and difficult legal battle. While defending these actions requires significant expenditure, Garmin’s legal team continues to signal that it is fully prepared to contest expansive intellectual property claims across its entire ecosystem of fitness wearables and navigation devices.