PQ Corporation
USTotal marks
13
Live
6
Live %
46.2%
First filing
1947-09-23
Top NICE
1Chemicals
Total opposition events
0
Sum across all this owner's marks
As Plaintiff (filed)
0
Owner challenged someone else
As Defendant (received)
0
Owner's mark was challenged
Detailed per-opposition records, opposing parties, and outcomes will appear here in a future update.