Textor Maschinenbau v. Provisur Technologies: Slicing Machine Patent Dispute Dismissed at Federal Circuit

Case Overview

In a notable development in food processing equipment patent litigation, the U.S. Court of Appeals for the Federal Circuit dismissed Case No. 25-1760 — *Textor Maschinenbau, GmbH v. Provisur Technologies, Inc.* — following a voluntary stipulated dismissal by both parties. Filed on May 12, 2025, and closed February 10, 2026, the proceeding concluded in 274 days without a substantive ruling on the merits of the underlying patentability dispute.

At the heart of this **slicing apparatus patent litigation** was U.S. Patent No. 9,457,487 B2, covering a high-performance slicing apparatus with at least one removable conveyor belt unit — a commercially significant technology in automated food processing. The case centered on invalidity and cancellation grounds, placing it squarely within the increasingly competitive landscape of industrial food machinery IP.

For patent attorneys, IP professionals, and R&D teams operating in the food processing and industrial automation sectors, this case offers meaningful lessons about appellate strategy, settlement timing, and the management of patent invalidity proceedings before the Federal Circuit.

The Parties

The Patent at Issue

This case involved U.S. Patent No. 9,457,487 B2, covering a high-performance slicing apparatus with at least one removable conveyor belt unit:

• • US 9,457,487 B2 — High-performance slicing apparatus with at least one removable conveyor belt unit.
• • **Technology Area:** Industrial food processing machinery.
• • **Claim Significance:** Represents an advancement in hygienic, modular slicing systems for commercial food manufacturing.

Litigation Timeline & Procedural History

Milestones

The case was initiated at the **appellate level**, indicating the underlying patentability dispute originated at a lower tribunal — most likely the USPTO’s Patent Trial and Appeal Board (PTAB) or from a district court validity determination — before being elevated to the Federal Circuit. The specific lower tribunal record was not disclosed in the available case data.

The Federal Circuit venue is significant: as the exclusive appellate court for U.S. patent matters, its rulings carry nationwide precedential weight. The 274-day duration from filing to dismissal is relatively compressed for Federal Circuit appellate proceedings, suggesting the parties reached resolution before full briefing cycles concluded or shortly thereafter.

The dismissal was entered pursuant to **Federal Rule of Appellate Procedure 42(b)**, which governs voluntary dismissals at the parties’ joint request — a clean procedural exit requiring no judicial merits analysis.

The Verdict & Legal Analysis

Outcome

The Federal Circuit issued a stipulated dismissal order stating: “The parties having so agreed, it is ordered that: (1) The proceeding is DISMISSED under Fed. R. App. P. 42(b). (2) Each side shall bear their own costs.”

No damages were awarded. No injunctive relief was granted or denied on the merits. The mutual cost-bearing arrangement is standard in stipulated dismissals and reflects a negotiated resolution rather than a prevailing-party determination.

Key Legal Issues

The underlying cause of action was classified as **Patentability — Invalidity/Cancellation Action**, indicating the core dispute involved challenges to the validity of US 9,457,487 B2 rather than straightforward infringement claims. Invalidity proceedings at the appellate level typically arise from PTAB decisions on IPR petitions or from district court invalidity rulings.

Critically, the Federal Circuit never reached the merits. The stipulated dismissal means:

• No claim construction ruling was issued that could affect the patent’s scope interpretation
• No validity holding was entered — the patent’s presumption of validity under 35 U.S.C. § 282 remains technically intact
• No precedent binding on lower courts or the USPTO was created from this proceeding

The mutual decision to dismiss — with each party bearing its own costs — strongly suggests a **confidential settlement or licensing agreement** was reached outside the court record, a common outcome when both parties assess continued litigation costs against commercial resolution.