Big Will Enterprises v. Osram GmbH: Five-Patent IPSS Suit Dismissed With Prejudice in 60 Days
Big Will Enterprises filed a broad patent infringement action against Osram GmbH in the Western District of Texas, asserting five patents spanning interactive personal surveillance systems, mobile motion-activity detection, and targeted advertising on wireless devices. The case was voluntarily dismissed with prejudice just 60 days after filing — before Osram filed any answer.
A Pre-Answer Dismissal With Prejudice Across Five Surveillance and Mobile Patents
On February 6, 2025, Big Will Enterprises, Inc. filed suit against Osram GmbH in the Western District of Texas (Case No. 1:25-cv-00179), asserting infringement of five U.S. patents: US9049558B2, US8452273B1, US10521846B2, US8737951B2, and US8559914B2. The asserted patents collectively cover interactive personal surveillance and security (IPSS) systems, mobile-thing motion-activity (MTMA) detection via accelerometer and sensor data, and targeted advertisement selection for wireless communication devices.
On April 6, 2025 — just 60 days after filing and before Osram had served any answer or motion for summary judgment — Big Will filed a notice of voluntary dismissal with prejudice pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i). Because the procedural conditions of that rule were satisfied, the dismissal was self-effectuating, requiring no court order. Judge Robert Pitman formally closed the case the following day, April 7, 2025.
The speed of resolution and the with-prejudice designation are commercially significant: Big Will cannot re-assert these five patents against Osram in a new federal action. The public record does not disclose whether a settlement or license was reached, whether claim construction concerns prompted the withdrawal, or whether undisclosed business factors drove the decision. The absence of defendant counsel on record suggests Osram had minimal opportunity to mount a formal defense before the matter resolved.
Filing to Dismissed with Prejudice in 60 days
60-day lifespan — resolved before defendant answer; well below median district court pendency
Dismissed with prejudice: what the Rule 41 filing means for both parties
Rule 41(a)(1)(A)(i) — self-effectuating, no court order needed
Under Fed. R. Civ. P. 41(a)(1)(A)(i), a plaintiff may unilaterally dismiss before the defendant serves an answer or summary judgment motion. The notice is self-effectuating — it terminates the case automatically. The court cited In re Amerijet Int’l (5th Cir. 2015) to confirm no judicial action was required. Judge Pitman’s April 7 order merely acknowledged the closure; it did not itself effect the dismissal.
Rule 41(a)(1)(A)(i) — pre-answerPrejudice bars Big Will from re-filing on these patents against Osram
Although Rule 41(a)(1) dismissals are typically without prejudice by default, Big Will expressly filed with prejudice. This operates as an adjudication on the merits under Rule 41(a)(1)(B), extinguishing any future infringement claim by Big Will against Osram based on the same five patents. The public record is silent on whether this reflects a settled license, a strategic concession, or an agreed term of a broader commercial arrangement.
No re-filing permittedOsram exits without admitting infringement or invalidity
Osram filed no answer, no invalidity counterclaims, and no motion for summary judgment. No defendant counsel appeared on the public docket. The case’s early closure means Osram faces no judgment, no injunction, and no damages award. However, the with-prejudice dismissal also forecloses Osram from obtaining a declaratory judgment of non-infringement or invalidity in this action — a consideration if certainty on patent scope matters commercially.
No judgment against OsramFive patents are now silent against Osram — third parties remain exposed
The dismissal binds only the named parties. Big Will’s five IPSS, MTMA, and WCD-targeting patents remain enforceable against other defendants. Companies operating in mobile surveillance, sensor-based motion detection, or wireless ad-targeting should note that these patents have survived to potential assertion elsewhere. The lack of any invalidity ruling means the patents carry no weakened presumption of validity from this proceeding.
Patents remain active vs. third partiesFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Big Will Enterprises, Inc. | Company | IP holding company — holder of US9049558B2 and four related IPSS and mobile-sensor patentsSearch in Eureka ↗ |
| Defendant | Osram, Gmbh | Company | Osram GmbH — German photonics and lighting technology companySearch in Eureka ↗ |
| Plaintiff counsel | Brett T. Cooke | Attorney | Counsel for Big Will Enterprises, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Brett T. Cooke, Law Office | Law Firm | Representing Big Will Enterprises, Inc.Search in Eureka ↗ |
| Presiding judge | Judge Robert Pitman | Judge | Texas Western District CourtSearch in Eureka ↗ |
Official order — verbatim text
The dismissal notice filed April 6, 2025 is self-effectuating under Rule 41(a)(1)(A)(i), meaning no judicial action was needed to terminate the case. The with-prejudice designation — expressly chosen by the plaintiff — elevates what would otherwise be a default without-prejudice dismissal into a merits-equivalent adjudication under Rule 41(a)(1)(B). For Big Will, this permanently forecloses any future federal infringement action against Osram on these five patents. For Osram, it is a full exit without any admission of liability, though without a declaratory non-infringement judgment either.
US9049558B2 — Interactive Personal Surveillance & Security (IPSS) Systems
US9049558B2 (App. No. 13/935672) is the lead patent in Big Will’s portfolio, covering interactive personal surveillance and security systems and methods. The portfolio also includes US8452273B1 and US10521846B2, which address mobile-thing motion-activity (MTMA) detection using accelerometers and broader wireless-device sensor data respectively, and US8737951B2 and US8559914B2, which extend into targeted advertisement selection and activity-based action initiation on wireless communication devices. Together, the five patents span the intersection of location-aware sensing, behavioural analytics, and mobile ad-targeting.
The strategic breadth of this portfolio is notable: IPSS and MTMA technologies underpin a wide range of modern products, from personal safety apps and IoT security devices to wearable motion trackers and location-triggered advertising platforms. Osram — primarily a photonics and smart-lighting company — may have been targeted due to sensor-integration features in connected lighting or smart-building products. Any company embedding motion sensors, accelerometers, or behavioural triggers into wireless or IoT-connected devices should assess exposure to this patent family.
Should your product team run an FTO against US9049558B2 and its family?
If your organisation develops or sells interactive surveillance systems, IoT motion sensors, accelerometer-based activity monitors, or targeted mobile advertising platforms, Big Will’s five-patent portfolio represents a live freedom-to-operate risk. The patents cover both the systems and methods layers, meaning both hardware integrators and software service providers could be within scope. No invalidity finding from this case exists to narrow the claims.
PatSnap Eureka’s FTO Search Agent lets you map your product’s feature set against the claim language of US9049558B2, US8452273B1, US10521846B2, US8737951B2, and US8559914B2 simultaneously. The tool surfaces design-around pathways, identifies prior art candidates for potential IPR petitions, and flags any continuation or child applications that could extend the family’s reach — all before a notice letter arrives.
Run a freedom-to-operate analysis on US9049558B2 to assess your product’s exposure
Run FTO in Eureka →Similar IPSS and Mobile-Sensor Patent Cases in Western District of Texas
Explore related patent infringement cases involving mobile surveillance, motion-activity detection, and wireless-device sensor patents filed in the Western District of Texas.
What this case signals for the mobile surveillance and IPSS IP landscape
A rapid with-prejudice exit before any defendant response raises questions about assertion strategy and portfolio value in the IPSS and mobile-sensor space.
Pre-answer dismissals with prejudice often signal undisclosed licensing deals
When a plaintiff voluntarily dismisses with prejudice before the defendant even files an answer, it typically signals either a confidential licence agreement or a strategic withdrawal. The commercial terms — if any — are not on the public record. Companies operating in IPSS or mobile-sensor spaces should monitor for subsequent licensing activity by Big Will Enterprises against other targets.
These five patents remain live enforcement tools against the broader market
No invalidity finding, no claim construction order, and no summary judgment ruling emerged from this case. All five patents — covering IPSS systems, MTMA accelerometer methods, WCD sensor data, and targeted advertising — retain their full presumption of validity. Competitors in mobile surveillance and wireless-device analytics should treat these as active litigation risk.
Big v Osram — key questions answered
The public record does not disclose the reason. The dismissal was filed under Rule 41(a)(1)(A)(i) before Osram served any answer, which is typically consistent with a confidential licensing agreement or strategic withdrawal. The with-prejudice designation was expressly chosen by the plaintiff, permanently barring re-assertion of the same five patents against Osram.
The patents themselves remain valid and enforceable against all other parties. A Rule 41 dismissal with prejudice is binding only between the named parties — Big Will and Osram. No invalidity finding, claim construction ruling, or merits adjudication was entered, so the patents carry their full presumption of validity in any future proceeding against a different defendant.
Big Will asserted five U.S. patents: US9049558B2 (IPSS systems), US8452273B1 (MTMA via accelerometer), US10521846B2 (MTMA via WCD sensor data), US8737951B2 (targeted WCD advertising), and US8559914B2 (activity-based action initiation on wireless devices). The products in dispute spanned interactive personal surveillance, mobile motion-activity systems, and targeted advertising platforms.
No. Because the dismissal was filed with prejudice, it operates as an adjudication on the merits under Rule 41(a)(1)(B). Big Will is permanently barred from bringing a new federal action against Osram based on the same five patents arising from the same accused products or conduct. This protection runs only in Osram’s favour — other potential defendants remain exposed.
The Western District of Texas — particularly the Waco and Austin divisions — has been a favoured venue for patent plaintiffs due to its historically efficient docket and favourable procedural rules. Big Will’s choice of this court is consistent with a broader assertion strategy. The case was assigned to Judge Robert Pitman in the Austin division. The court closed the case on April 7, 2025, one day after the dismissal notice was filed.
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