Patent & IP news archive

UMF Corporation
v. Norwex USA, Inc. et. al.

Complaint for Patent Infringement
Civil Action No. 1:12-cv-09156; no judge yet assigned.
Filed on Nov. 15, 2012 in the U.S. District Court for the Northern District of Illinois;

Plaintiffs

v.
UMF
Shaw Fishman Glantz & Towbin LLC; Chicago, IL
David Benjamin Goodman

Defendants

Norwex
Norwex Enviro Products

Patents in case

  • 6,258,455: “Antimicrobial ultra-microfiber cloth” by Clarke and assigned to Sweports Limited. Prosecuted by Mayer, Brown & Platt. Includes 32 claims (4 indep.). Was application 09/281,119. Filed 3/29/1999 & Granted 7/10/2001.

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Case documents (PDF)

Fig. 1 from 6,258,455

6,258,455 figure 1
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