The Patent Finder

Cplabs, Inc.

58 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Previously recorded as Coinplug, Inc. (to 2023)

0
Ending by 2030
Jun 2035
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Dec 25, 2026
    The maintenance fee for Secure information transmitting system and method for personal identity authentication (US 10,333,721) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
  • 1 fee due Jan 11, 2027
    The maintenance fee for Zero-knowledge proof-based certificate service method using blockchain network, certification support server using same, and user terminal using same (US 11,700,133) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
  • 2 fees due Feb 6 to 27, 2027 · next Feb 6
  • 1 fee due Apr 22, 2027
    The maintenance fee for Method for SSO service using PKI based on blockchain networks, and device and server using the same (US 10,454,918) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
  • 2 fees due May 5 to 26, 2027 · next May 5
  • 4 fees due Jul 2 to 21, 2027 · next Jul 2
  • 2 fees due Aug 4 to 20, 2027 · next Aug 4
  • 1 fee due Sep 17, 2027
    The maintenance fee for Method and service-providing server for secure transmission of user-authenticating information (US 10,594,498) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
  • 1 fee due Oct 16, 2027
    The maintenance fee for Method for paying cost of IoT device based on blockchain and merkle tree structure related thereto, and server, service providing terminal, and digital wallet using the same (US 11,961,057) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 9,872,050Method for generating, providing and reproducing digital contents in conjunction with digital currency, and terminal and computer readable recording medium using same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,063,209Certificate issuing system based on block chain
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,333,721Secure information transmitting system and method for personal identity authentication
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,594,498Method and service-providing server for secure transmission of user-authenticating information
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,885,501Accredited certificate issuance system based on block chain and accredited certificate issuance method based on block chain using same, and accredited certificate authentication system based on block chain and accredited certificate authentication method based on block chain using same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,005,666Tampering verification system and method for financial institution certificates based on blockchain
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,395,062Method and server for authenticating and verifying file
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,469,264Method and server for authenticating and verifying file
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,538,036System and Method for Verifying Forgery of Financial Institution Proof Documents on Basis of Block Chain
In force
 · High confidence
In forceHigh confidence
US 10,235,538Method and server for providing notary service for file and verifying file recorded by notary service
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 58 patents shown.
Pro members see all 58.
Pro members: see all 58 patents

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

Every application published under this name has become a patent.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited