The Patent Finder

Signix, Inc.

10 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9
Ending by 2030
Jun 2030
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.
  • 2 fees due Oct 12 to 26, 2027 · next Oct 12

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.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US 8,819,813Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force
 · High confidence
In forceHigh confidence
US 9,313,032Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force
 · High confidence
In forceHigh confidence
US 9,325,508Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force
 · High confidence
In forceHigh confidence
US 9,350,554Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force
 · High confidence
In forceHigh confidence
US 9,350,555Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force
 · High confidence
In forceHigh confidence
US 9,853,818Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 10,728,039Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,015,718Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,516,016Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,484,723Method and System for Signing and Authenticating Electronic Documents via a Signature Authority Which May Act in Concert with Software Controlled by the Signer
In force (reinstated)
 · High confidence
In force (reinstated)High confidence
Also on record, not counted in the 10: 1 ended at full term. List them

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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited