Solo Cup Operating Corporation (P) vs Linchang Chen (D)
Pending
Oppositions
Proceeding Details
Proceeding Number
Filing Date
Feb 17, 2026
Last Status Update
Feb 17, 2026
Interlocutory Attorney
STEVEN W FERRELL
Parties
Plaintiff
Solo Cup Operating Corporation




5355 NORTHLAND DR. NE, STE C - #226
GRAND RAPIDS, MI 49525
Attorney / Correspondent:
Marks:
SOLO
Registered
|Reg #: 1821397|S/N: 74390336
SOLO
LIVE - REGISTERED
TrademarkWordOwner: SOLO CUP OPERATING CORPORATION
Status: REGISTERED AND RENEWED

Record Details
Serial No.
74390336
Registration No.
1821397
Status
LIVE
Important Dates
Filed
May 14, 1993
Registered
Feb 15, 1994
First Use
Apr 25, 1953
Goods & Services
Class 021
disposable plastic and paper plates and bowls; disposable plastic containers with lids for use, both internally and carry-out, in delicatessens, restaurants, and by mass feeders; and pop-up and wall mounted dispensers for use in kitchens, bathrooms and restaurants for disposable plastic and paper drink cups and lids
SOLO
Registered
|Reg #: 1090929|S/N: 73145769
SOLO
LIVE - REGISTERED
TrademarkWordOwner: SOLO CUP OPERATING CORPORATION
Status: REGISTERED AND RENEWED
Record Details
Serial No.
73145769
Registration No.
1090929
Status
LIVE
Important Dates
Filed
Oct 25, 1977
Registered
May 9, 1978
First Use
Jan 1, 1953
Goods & Services
Class 021
PAPER AND PLASTIC DISHES
SOLO
Registered
|Reg #: 1855755|S/N: 74450823
SOLO
LIVE - REGISTERED
TrademarkWordOwner: SOLO CUP OPERATING CORPORATION
Status: REGISTERED AND RENEWED
Record Details
Serial No.
74450823
Registration No.
1855755
Status
LIVE
Important Dates
Filed
Oct 25, 1993
Registered
Sep 27, 1994
First Use
Apr 25, 1953
Goods & Services
Class 016
disposable paper containers with lids for use both internally and carry-out in delicatessens, restaurants and by mass feeders
SOLO
Registered
|Reg #: 2787364|S/N: 76409116
SOLO
LIVE - REGISTERED
TrademarkCombinedOwner: SOLO CUP OPERATING CORPORATION
Status: REGISTERED AND RENEWED
Record Details
Serial No.
76409116
Registration No.
2787364
Status
LIVE
Important Dates
Filed
May 16, 2002
Registered
Nov 25, 2003
First Use
Jun 1, 2002
Goods & Services
Class 021
paper and plastic plates, bowls and cups
SOLO
Registered
|Reg #: 960679|S/N: 72405500
SOLO
LIVE - REGISTERED
TrademarkWordOwner: SOLO CUP OPERATING CORPORATION
Status: REGISTERED AND RENEWED
Record Details
Serial No.
72405500
Registration No.
0960679
Status
LIVE
Important Dates
Filed
Oct 19, 1971
Registered
Jun 12, 1973
First Use
Jan 1, 1953
Goods & Services
Class 002Class 016
PAPER AND PLASTIC FOOD CONTAINER LIDS; PAPER AND PLASTIC FOOD CONTAINERS AND LIDS THEREFOR [ ; CONTAINER HOLDERS; AND CONTAINER DISPENSERS ]
VS
Defendant
Linchang Chen
149 COMMONWEALTH DR, SUITE 1042
MENLO PARK, CA 94025
Attorney / Correspondent:
Mark:
SOLOCHEF
Pending
S/N: 99340633
SOLOCHEF
LIVE - PENDING
TrademarkWordOwner: Linchang Chen
Status: OPPOSITION PENDING
Record Details
Serial No.
99340633
Status
LIVE
Important Dates
Filed
Aug 15, 2025
First Use
May 18, 2025
Goods & Services
Class 021
Brooms; Dishcloths; Toothpicks; Washtubs; Bottle openers; Cocktail shakers; Cooking spoons; Cutting boards; Dish drying racks; Dust-pans; Hand-operated pastry blenders; Kitchen grinders, non-electric; Pastry cutters; Pet feeding and drinking bowls; Pill boxes for personal use; Soap boxes; Spice racks; Toilet paper holders; Utensils for barbecues, namely, forks, tongs, turners; Wine openers
TTAB Documents
Title | Date | Entry # | Category | Code | Actions |
|---|---|---|---|---|---|
INSTITUTED | Feb 17, 2026 | 3 | Status | 128 | |
NOTICE AND TRIAL DATES SENT; ANSWER DUE: | Feb 17, 2026 | 2 | Scheduling | 707 | |
FILED AND FEE | Feb 17, 2026 | 1 | Fees | 124 |