United States Patent and Trademark Office
Home
|
Site Index
|
Search
|
Guides
|
Contacts
|
e
Business
|
eBiz alerts
|
News
|
Help
TTABVUE. Trademark Trial and Appeal Board Inquiry System
v2.5.0
Summary
Query:
Correspondence Name contains all words: ERIC K. CHEN
Number of results:
2
Proceeding
Filing Date
Defendant(s),
Correspondent
Property(ies)
Plaintiff(s),
Correspondent
Property(ies)
91173694
11/01/2006
David Lyu
ERIC K. CHEN LAW OFFICES OF ERIC K. CHEN
Mark:
OPTIVIEW
S#:
78460537
E. I. du Pont de Nemours and company, Polar Vision, Incorporated
Dickerson M. Downing Crowell & Moring
78460537
07/24/2006
Lyu, David
ERIC K. CHEN LAW OFFICES OF ERIC K. CHEN
Mark:
OPTIVIEW
S#:
78460537
E. I. du Pont de Nemours and company
Van Leichliter E. I. du Pont de Nemours and company
Results as of 11/25/2024 04:39 AM
Search again
|
.
HOME
|
INDEX
|
SEARCH
|
e
BUSINESS
|
CONTACT US
|
PRIVACY POLICY
