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Darren S. Cahr

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Darren S. Cahr

Partner
 
Drinker Biddle & Reath LLP
191 North Wacker Drive, Suite 3700
Chicago, Illinois  60606-1698
(Cook Co.)

Telephone: 312-569-1000
Fax: 312-569-3000
http://www.drinkerbiddle.com



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Practice AreasIntellectual Property; Trade Regulation; Litigation
 
EducationNorthwestern University, J.D., 1993, Northwestern University, B.A., 1990
 
Admitted1993, Illinois and U.S. District Court, Northern District of Illinois; 1996, U.S. District Court, Central District of Illinois, U.S. Court of Appeals, Seventh Circuit and U.S. Supreme Court
 
MembershipsAmerican Bar Association; Promotion Marketing Association of America.
 
BiographyAuthor: "March Madness: Dual Use Trademarks, Reverse Confusion and First Amendment," Selected Legal Papers.
 
ISLN900514324
 

Documents by this lawyer on Martindale.com


A New Standard for Fraud
Darren S. Cahr, September 10, 2009
With a single opinion from the U.S. Court of Appeals for the Federal Circuit, fraud just became more difficult to prove as part of the trademark application process. This week, the Federal Circuit released its long-awaited opinion in In re Bose Corp., Docket No. 2008-1448 (Fed. Cir. 2009) reversing...

U.S. Trademark Applicants May Now Have More To Prove
Darren S. Cahr, Kristianne Kossler, September 10, 2009
Documentary proof of bona fide intent to use a mark is now being required by the Trademark Trial and Appeal Board. In several recent decisions, the TTAB has held that mere statements of intent are not enough to preserve intent to use applications if challenged on this basis. Companies must instead...

An Important Message from our Trademark Practice Concerning Facebook
Darren S. Cahr, Jennifer L. Dean, June 25, 2009
A number of our clients have recently had issues with unauthorized or deceptive usage of their trademarks on social networking websites.



 

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