6928757

2 known cases. View patent page →

Cases
2
Active
1
1 closed
Filed
2014–2015
Top venue
W.D. Wisconsin
1 case

Douglas Dynamics, L.L.C. v. Meyer Products LLC

stayed pending IPR; stay lifted; disposition unverified
Docket:
3:14-cv-00886
Filed:
2014-12-22
Patents:6928757
π Douglas Dynamics, L.L.C.Δ Meyer Products LLC

Douglas Dynamics sued Meyer Products in the Western District of Wisconsin alleging infringement of U.S. Patent 6,928,757 by Meyer snowplows with Ground Tracking Technology. The case was stayed pending IPR2015-01247 and later addressed IPR estoppel after the PTAB upheld the challenged claims.

Meyer Products LLC v. Douglas Dynamics, L.L.C.

final written decision; claims upheld
Docket:
IPR2015-01247
Filed:
2015-05-21
Terminated:
2016-11-25
Patents:6928757
π Meyer Products LLCΔ Douglas Dynamics, L.L.C.

Meyer Products petitioned for inter partes review of U.S. Patent 6,928,757, challenging claims 1, 4-7, and 18. The PTAB instituted review and issued a final written decision on November 25, 2016, finding Meyer failed to show any challenged claim unpatentable.