Hyper Ice v. Cotsoco: Massage Gun Patent Case Transferred in 3 Days
Hyper Ice, Inc. and Hyperice IP Subco, LLC filed suit against Cotsoco asserting US11857482B1, covering rechargeable percussive massage gun technology including the Hypervolt 2 line. The case was reassigned from the Central to the Southern Division of the California district court within three days of filing — before any substantive proceedings occurred.
Administrative transfer ends before the case begins — litigation continues
On 9 February 2024, Hyper Ice, Inc. and its IP holding entity Hyperice IP Subco, LLC filed a patent infringement action against Cotsoco in the Central District of California. The complaint asserted US11857482B1, a patent covering rechargeable percussive massage gun technology associated with the Hypervolt 2, Hypervolt 2 Pro, Hypervolt Go 2, and related massage gun products.
Just three days after filing, on 12 February 2024, the court issued a transfer notice. A clerical error had caused the case to be provisionally assigned to the wrong division. Pursuant to the court’s General Order on case assignment, the matter was reassigned to the Southern Division and given a new case number — 8:24-cv-00291 — with Judge Fred W. Slaughter presiding and Magistrate Judge Douglas F. McCormick handling discovery and post-judgment matters.
The three-day duration reflects purely procedural timing rather than any substantive development. No pleadings were adjudicated, no defendant counsel appeared, and no merits analysis occurred. The underlying infringement claims against Cotsoco — spanning multiple massage gun SKUs — remain live under the new docket. Public records are silent on any pre-filing settlement discussions or claim scope negotiations.
Filing to Case Transferred in 3 days
Transferred before any substantive proceeding; faster than the typical 60–90-day initial scheduling period.
What a venue transfer means: case continues under new docket number
Divisional transfer is administrative, not a merits ruling
The Central District of California is divided into geographic divisions. When a case is filed in the wrong division, the court’s General Order mandates reassignment without any hearing or adjudication. No judgment was entered, no motion was decided, and no rights were affected. The infringement claims survive intact and proceed under case number 8:24-cv-00291 in the Southern Division.
Procedural reassignment onlySouthern Division reassignment shifts the judicial forum
The Southern Division of the Central District covers Orange County and surrounding areas. Assignment to Judge Fred W. Slaughter and Magistrate Judge Douglas F. McCormick means both parties now operate under those judges’ standing orders, scheduling preferences, and claim construction practices. Any filed documents after the transfer date must carry the new case number or risk not being reviewed by the court.
Judge Slaughter, Southern DivisionSubstantive litigation begins at the new docket
With the transfer complete, Cotsoco must be served and respond to the complaint under the new case number. A scheduling conference, claim construction briefing for US11857482B1, and discovery into the accused massage gun products will all occur under docket 8:24-cv-00291. The three-day lifespan of case 2:24-cv-01158 reflects no strategic development — it was solely an administrative correction.
Litigation ongoing under new numberPatent enforcement against massage gun rivals continues
Hyper Ice’s decision to assert US11857482B1 against Cotsoco’s competing massage gun range suggests an active enforcement posture protecting the Hypervolt product line. For other companies selling rechargeable percussive massage guns — particularly multi-speed devices marketed as deep-tissue tools — the transfer does not reduce the litigation risk. The underlying patent remains asserted and the case is proceeding.
Enforcement posture activeFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Hyper Ice, Inc. | Company | Percussive wellness device maker — holder of US11857482B1 covering massage gun technologySearch in Eureka ↗ |
| Co-Plaintiff | Hyperice IP Subco, LLC | Company | Search in Eureka ↗ |
| Defendant | Cotsoco | Individual | Cotsoco — accused seller of competing rechargeable percussive massage gun productsSearch in Eureka ↗ |
| Plaintiff counsel | Benjamin A. Herbert | Attorney | Counsel for Hyper Ice, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Lawrence Robert LaPorte | Attorney | Counsel for Hyper Ice, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Lewis Brisbois Bisgaard & Smith LLP | Law Firm | Representing Hyper Ice, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Miller Barondess, LLP | Law Firm | Representing Hyper Ice, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | California Central District CourtSearch in Eureka ↗ |
Official order — verbatim text
The transfer order records no merits finding, claim construction, or infringement analysis. The court’s language — citing a ‘clerical error’ in divisional assignment — confirms this was a purely administrative correction under the General Order on case assignment. No inference about claim strength, defendant liability, or likely outcome can be drawn from this order. The controlling proceeding is now 8:24-cv-00291 before Judge Slaughter.
US11857482B1 — Rechargeable Percussive Massage Gun Technology
US11857482B1, filed under application number US17/681367, protects rechargeable percussive massage gun technology associated with Hyperice’s Hypervolt product family. The patent’s issuance and near-immediate assertion in litigation — with the case filed within the same commercial cycle as the patent grant — suggests Hyperice prioritised enforcement as part of its product protection strategy. The technical domain covers motorised handheld percussion devices designed for soft-tissue recovery and deep-tissue massage.
The commercial stakes are significant: the percussive massage device market has attracted dozens of entrants selling competing products at multiple price points, many bearing functional and aesthetic similarities to the Hypervolt line. Hyperice’s assertion of this patent against a product range spanning entry-level massage guns through 30-speed deep-tissue models indicates broad claim coverage. For IP teams at consumer wellness and sports recovery device companies, this patent warrants close monitoring as the litigation progresses to claim construction.
Should your team run an FTO against US11857482B1?
Any company designing, manufacturing, or distributing rechargeable multi-speed percussive massage guns — particularly devices marketed for deep-tissue recovery — should treat US11857482B1 as a live clearance risk. The asserted product list in this case spans six distinct SKUs, suggesting the patent’s independent claims are drafted broadly enough to cover a range of speed configurations and form factors. An FTO analysis is warranted before new product launch or market entry.
PatSnap Eureka’s FTO Search Agent can map the independent and dependent claims of US11857482B1 against your product specifications, flag prior art that may support an IPR petition, and identify design-around pathways — particularly around motor control, speed-switching mechanisms, and battery integration. Given that the case has now transferred to an active docket, the window for strategic FTO and IPR preparation is open now.
Run a freedom-to-operate analysis on US11857482B1 to assess your product’s exposure
Run FTO in Eureka →Similar Massage Gun & Consumer Wellness Device Patent Cases
Cases involving percussive massage gun and handheld recovery device patents in the Central and Southern Districts of California, including comparable enforcement actions.
What this case signals for the percussive wellness device IP landscape
Hyper Ice’s rapid filing and enforcement of US11857482B1 indicates an active portfolio strategy targeting competing massage gun sellers.
Hyperice is actively enforcing its massage gun patent portfolio
Filing against Cotsoco within weeks of patent grant — US11857482B1 issued with application number US17/681367 — suggests Hyperice monitors the market for competitive products closely. Companies selling multi-speed rechargeable massage guns should treat this filing as an early signal of broader enforcement activity.
Administrative transfer does not reduce litigation risk for defendants
A divisional transfer carries no merits implication. Cotsoco faces the same infringement claims under the new docket. Any competitor watching this case for a favourable early outcome will find none — the substantive phase has not yet begun and the patent remains fully asserted.
Hyper v Cotsoco — key questions answered
The case was transferred after three days. Hyper Ice and Hyperice IP Subco filed a patent infringement action against Cotsoco on 9 February 2024 asserting US11857482B1. On 12 February 2024 the court transferred the case to the Southern Division as 8:24-cv-00291 due to an incorrect divisional assignment. No merits ruling was issued.
The patent asserted is US11857482B1, filed under application US17/681367. It covers rechargeable percussive massage gun technology and was asserted against Cotsoco’s massage gun products including devices marketed as 6-speed and 30-speed rechargeable massage guns.
The accused products listed in the complaint include the 6 Speed Rechargeable Massage Gun, the 30 Speed Massage Gun, the Deep Tissue 30 Speed Massage Gun, and a general Massage Gun, among others sold by Cotsoco. Hyperice’s own Hypervolt 2, Hypervolt 2 Pro, and Hypervolt Go 2 are cited as the embodying products for the asserted patent.
The transfer was due to a clerical error in divisional assignment at the time of filing. The Central District of California’s General Order requires cases assigned to the wrong division to be reassigned promptly. The transfer to the Southern Division as 8:24-cv-00291 before Judge Slaughter was administrative and carried no merits implications.
Following transfer, the case is assigned to Judge Fred W. Slaughter in the Southern Division of the Central District of California, with Magistrate Judge Douglas F. McCormick handling discovery and post-judgment matters. The operative case number is 8:24-cv-00291 FWS (DFMx).
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