Trademark Attorney / Law Firm
Robert Chang – Trademark Portfolio
Robert Chang has filed 31 trademarks with the United States Patent and Trademark Office (USPTO). Filing records span from 2007 to 2026, covering 7 years of intellectual property practice. Of these filings, 8 are currently registered and 7 are pending. The portfolio covers 15 Nice Classification classes, with the highest concentration in Class 9 (Computers & Electronics, 10 filings) and Class 6 (Metal Goods, 6 filings).
31
Total Trademarks
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WEATHERWIZ GUTTERS
Pending
2026
WEATHERWIZ GUTTERS
WEATHERWIZ GUTTERS
Pending
2026
LIBERTYFORGE
LIBERTYFORGE
Pending
2025
KIDS N PLAY OT
Pending
2024
CHEVRON GUTTER MOUTH
CHEVRON GUTTER MOUTH
Abandoned
2024
SERGEANT GUTTER MOUTH
SERGEANT GUTTER MOUTH
Abandoned
2024
CORDILLERA
CORDILLERA
Abandoned
2023
SILENT ROCKS
SILENT ROCKS
Abandoned
2021
ROAM
Abandoned
2021
PLATECONNECT
PLATECONNECT
Abandoned
2021
SKY LIFT ROOF RISER HARDWARE
Registered
2021
PROTEUS CONTROLLER
PROTEUS CONTROLLER
Registered
2021
DIRTY GAINZ
DIRTY GAINZ
Abandoned
2021