QUARKCHAIN

Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 26 Sept 2025)

What this means for you

Registered since 21 May 2019. The owner can stop confusingly similar uses in the classes it covers.

Record

Serial number
87910463
Registration number
5759097
Mark type
Stylized text
Filed
07 May 2018
Published for opposition
23 Oct 2018
Registered
21 May 2019
Attorney of record
Kathryn Starshak

Goods and services

  • Class 009 — Scientific and electric apparatus: Computer software, namely, downloadable software for use in trading, clearing, confirmation, and financial trading risk management for exchange market transactions in the field of digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software used for authenticating, facilitating, matching, processing, clearing, storing, receiving, tracking, transferring, and submitting trade data, exchanging of trading transaction details, and management of the overall trading lifecycle of digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for use with blockchain technology, namely, for the storage of public, private and encrypted data, transactions and information; mobile application software for management of user accounts and transactions involving digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for clearing, allocation, compliance, recordation and settlement of trading related to bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for use with a blockchain technology-based, distributed database ledger for the storage of public, private and encrypted data, transactions and information

Owner

Prosecution history

  • 26 Sept 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
  • 26 Sept 2025 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
  • 26 Sept 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 25 Jul 2025 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
  • 15 May 2025 — TEAS SECTION 8 & 15 RECEIVED
  • 21 May 2024 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
  • 21 May 2019 — REGISTERED-PRINCIPAL REGISTER
  • 18 Apr 2019 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
  • 17 Apr 2019 — ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
  • 17 Apr 2019 — STATEMENT OF USE PROCESSING COMPLETE
  • 01 Apr 2019 — USE AMENDMENT FILED
  • 17 Apr 2019 — CASE ASSIGNED TO INTENT TO USE PARALEGAL
  • 01 Apr 2019 — TEAS STATEMENT OF USE RECEIVED
  • 18 Dec 2018 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
  • 23 Oct 2018 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

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