Complaint for Patent Infringement
Civil Action No. 3:13-cv-00122; no judge yet assigned.
Filed on Feb. 22, 2013 in the
U.S. District Court for the Western District of North Carolina;
Plaintiffs
v.
Celgard
Kilpatrick Townsend & Stockton LLP;
Winston-Salem,
NC
J Steven Gardner
Defendants
Sumitomo Chemical
Patents in case
-
5,034,404:
“Guanidine derivatives, their production and insecticides”
by Uneme et. al.
Prosecuted by
Wegner, Cantor, Mueller & Player.
Includes 10 claims (2 indep.).
Was application 07/456,863.
Granted 7/23/1991.
-
6,432,586:
“Separator for a high energy rechargeable lithium battery”
by Zhang.
Prosecuted by
Hammer, III; Robert H..
Includes 12 claims (3 indep.).
Was application 09/546,266.
Granted 8/13/2002.
-
7,256,310:
“Levalbuterol salt”
by McGlynn et. al. and assigned to
Sepracor Inc..
Prosecuted by
Hay; Martin A..
Includes 29 claims (5 indep.).
Was application 10/728,873.
Filed 12/8/2003 &
Granted 8/14/2007.