The Patent Finder

Blackarrow, Inc.

6 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded as renamed to Cadent Tech, Inc. (2018)

1
Ending by 2030
Dec 2029
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 Feb 6, 2027
    The maintenance fee for Ad Selection in Opt-In Media Experience Based on Multiple Group Membership and Participation (US 10,375,450) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
  • 1 fee due Mar 15, 2027
    The maintenance fee for Method and Apparatus for Inserting Advertisements in Content (US 9,137,585) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 1 fee due Apr 6, 2027
    The maintenance fee for Distributed checksum computation (US 9,154,163) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, 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.

Showing 1 to 6 of 6

PatentTitleStatus Expires Confidence
US 9,154,163Distributed checksum computation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,137,585Method and Apparatus for Inserting Advertisements in Content
In force
 · High confidence
In forceHigh confidence
US 10,789,608Digital Advertising Control Module
In force
 · High confidence
In forceHigh confidence
US 9,621,937Ad Selection in Opt-In Media Experience Based on Multiple Group Membership and Participation
In force (reinstated)
 · High confidence
In force (reinstated)High confidence
US 10,375,450Ad Selection in Opt-In Media Experience Based on Multiple Group Membership and Participation
In force
 · High confidence
In forceHigh confidence
US 10,846,737Multi-Platform Frequency Capping in Distributed Ad Server Environment
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 6: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 5 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.
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