MASTERFLEX, LLC (P) vs JIANGXI YIBO E-TECH CO. LTD. (D)
Pending
Oppositions
Proceeding Details
Proceeding Number
Filing Date
Feb 19, 2026
Last Status Update
Feb 19, 2026
Interlocutory Attorney
CHARLES HISER
Parties
Plaintiff
MASTERFLEX, LLC




4445 EASTGATE MALL, SUITE 200
SAN DIEGO, CA 92121
Attorney / Correspondent:
Marks:
MASTERFLEXLIVE
Registered
|Reg #: 5812110|S/N: 88225473
MASTERFLEXLIVE
LIVE - REGISTERED
TrademarkWordOwner: MASTERFLEX, LLC
Status: PARTIAL SECTION 8 & 15 ACCEPTED AND ACKNOWLEDGED
Record Details
Serial No.
88225473
Registration No.
5812110
Status
LIVE
Important Dates
Filed
Dec 11, 2018
Registered
Jul 23, 2019
First Use
Jun 21, 2018
Goods & Services
Class 009Class 042
Downloadable computer software for mobile phones and mobile computing devices, namely, software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment from a remote location; Downloadable computer software for mobile phones and mobile computing devices, namely, software for accessing, storing, retrieving, and measuring data; Downloadable cloud-based software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment; Downloadable cloud-based software for accessing, storing, and retrieving measurement data; Providing a website featuring technology that allows users to control, measure, monitor, and evaluate laboratory measuring instruments and laboratory equipment from a remote location; Providing a website featuring technology that allows users to access, store, and retrieve measurement data; Providing on-line non-downloadable software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment; Providing on-line non-downloadable software for accessing, storing, and retrieving measurement data
MASTERFLEX
Registered
|Reg #: 3586480|S/N: 77533949
MASTERFLEX
LIVE - REGISTERED
TrademarkWordOwner: Cole-Parmer Instrument Company LLC
Status: REGISTERED AND RENEWED
Record Details
Serial No.
77533949
Registration No.
3586480
Status
LIVE
Important Dates
Filed
Jul 29, 2008
Registered
Mar 10, 2009
First Use
Jan 1, 1966
Goods & Services
Class 009
Laboratory equipment for scientific research purposes, namely, pumps and tubing therefor for moving liquids and gases
MASTERFLEX
Registered
|Reg #: 6889923|S/N: 88377670
MASTERFLEX
LIVE - REGISTERED
TrademarkWordOwner: MASTERFLEX, LLC
Status: REGISTERED
Record Details
Serial No.
88377670
Registration No.
6889923
Status
LIVE
Important Dates
Filed
Apr 9, 2019
Registered
Nov 1, 2022
First Use
Feb 7, 1966
Goods & Services
Class 007
Pumps for fluid handling, namely, centrifugal pumps, filling pumps, piston pumps, rotary piston pumps, syringe pumps, drum pumps, gear pumps, hose pumps, single-use pumps, quaternary diaphragm pumps, and nutating disc pumps; Component parts for pumps, namely, pump valves, pump filters, pump containers, and fluid transfer assemblies | Laboratory equipment, namely, filters, containers, gas sensors, pressure sensors, flow controllers, and sampling containers; Fluid transfer assemblies for laboratory use, namely, filters and containers | Non-metal hoses for use with fluid pumps for moving liquids and gases
MASTERFLEX ULTRAPHARM
Registered
|Reg #: 7415105|S/N: 97602328
MASTERFLEX ULTRAPHARM
LIVE - REGISTERED
TrademarkWordOwner: Masterflex, LLC
Status: REGISTERED
Record Details
Serial No.
97602328
Registration No.
7415105
Status
LIVE
Important Dates
Filed
Sep 22, 2022
Registered
Jun 11, 2024
First Use
Jan 1, 2023
Goods & Services
Class 007
Component parts for peristaltic pumps, namely, pump heads and pump drives in the pharmaceutical and biotech industries
MASTERFLEX
Registered
|Reg #: 6056439|S/N: 88377687
MASTERFLEX
LIVE - REGISTERED
TrademarkWordOwner: Masterflex, LLC
Status: PARTIAL SECTION 8 & 15 ACCEPTED AND ACKNOWLEDGED
Record Details
Serial No.
88377687
Registration No.
6056439
Status
LIVE
Important Dates
Filed
Apr 9, 2019
Registered
May 19, 2020
First Use
Sep 30, 2018
Goods & Services
Class 007Class 009
Laboratory equipment, namely, tubing, tubing connectors, clamps, flowmeters, and fluid leak detectors and sensors; Rigid non-metal tubing for use with fluid pumps for moving liquids and gases; Pumps for fluid handling, namely, peristaltic, diaphragm, and dispensing metering pumps, positive displacement pumps, peristaltic pumps, roller pumps, diaphragm pumps, and microfluidic pumps; Component parts for pumps, namely, pump heads, pump drives, fittings, connectors, and gaskets; Fluid transfer assemblies, being parts of machines or fluid workflows, namely, tubing, connectors, and clamps; Flexible non-metal tubing for use with fluid pumps for moving liquids and gases
VS
Defendant
JIANGXI YIBO E-TECH CO. LTD.
C/O VIVIAN GU 30211 AVENIDA DE LAS BANDERAS SUITE 200
RANCHO SANTA MARGARITA, CA 92688
Attorney / Correspondent:
Mark:
MATERFLEX
Pending
S/N: 99325082
MATERFLEX
LIVE - PENDING
TrademarkWordOwner: JIANGXI YIBO E-TECH CO. LTD.
Status: OPPOSITION PENDING
Record Details
Serial No.
99325082
Status
LIVE
Important Dates
Filed
Aug 7, 2025
First Use
Mar 3, 2025
Goods & Services
Class 009
Class 009: Wireless chargers; Wireless battery chargers; Cell phone battery chargers; Electric charging cables; Cell phone cases; Power adapters; Computer keypads; Stands adapted for mobile phones; Rechargeable batteries; Electronic tags for goods; Thermal printers
TTAB Documents
Title | Date | Entry # | Category | Code | Actions |
|---|---|---|---|---|---|
INSTITUTED | Feb 19, 2026 | 3 | Status | 128 | |
NOTICE AND TRIAL DATES SENT; ANSWER DUE: | Feb 19, 2026 | 2 | Scheduling | 707 | |
FILED AND FEE | Feb 19, 2026 | 1 | Fees | 124 |