⚖ Oral Arguments, with Context

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Edge Systems LLC v. Cartessa Aesthetics, LLC — Fed. Cir. (argued September 8, 2026)

No. 25-1119 / 25-1190 Argued September 8, 2026 Published September 9, 2026

The Federal Circuit considers whether Cartessa's Skinwave skincare machine infringes Edge Systems' U.S. Patent No. 9,550,052. The patent claims a console that can select among treatment-fluid containers and send fluid through a manifold to a handheld applicator. The district court found the patent not invalid but granted Cartessa summary judgment of noninfringement. Edge says the court had to decide what "manifold" means and that its photo and expert evidence create a jury question. Cartessa says Edge asked for ordinary meaning and still offered no evidence of the device's internal fluid path. The appeal asks whether the court wrongly skipped claim construction or properly found Edge's proof insufficient. Cartessa also cross-appeals the invalidity ruling, but the questioning centers on noninfringement.

Edge Systems LLC v. Cartessa Aesthetics, LLC (No. 25-1119 / 25-1190) — U.S. Court of Appeals for the Federal Circuit, argued September 8, 2026.

Sources
Argument audio — U.S. Court of Appeals for the Federal Circuit (public domain, 17 U.S.C. § 105):https://www.cafc.uscourts.gov/oral-arguments/25-1119_09082026.mp3
Argument listing — U.S. Court of Appeals for the Federal Circuit:https://www.cafc.uscourts.gov/home/oral-argument/listen-to-oral-arguments/
Argument calendar and counsel — U.S. Court of Appeals for the Federal Circuit:https://www.cafc.uscourts.gov/wp-content/uploads/OralArguments/PublicCalendar-September2026.pdf
Summary-judgment order — Edge Systems v. Cartessa Aesthetics, E.D.N.Y.:https://www.govinfo.gov/content/pkg/USCOURTS-nyed-2_20-cv-06082/pdf/USCOURTS-nyed-2_20-cv-06082-0.pdf
U.S. Patent No. 9,550,052 — U.S. Patent and Trademark Office:https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9550052
Appeal docket and cross-appeal — Edge Systems v. Cartessa Aesthetics, Nos. 25-1119 and 25-1190:https://dockets.justia.com/docket/circuit-courts/cafc/25-1119
Ali Razai — Morgan Lewis:https://www.morganlewis.com/bios/alirazai
Steven Tepera — Pillsbury:https://www.pillsburylaw.com/en/lawyers/steven-tepera.html

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