The Patent Finder

Relx Inc.

98 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.
23
Ending by 2030
Apr 2027
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.
  • 4 fees due Dec 9 to 25, 2026 · next Dec 9
  • 2 fees due Jan 4 to 16, 2027 · next Jan 4
  • 2 fees due Feb 4 to 6, 2027 · next Feb 4
  • 3 fees due Mar 1 to 22, 2027 · next Mar 1
  • 3 fees due Apr 15 to 24, 2027 · next Apr 15
  • 3 fees due May 12 to 26, 2027 · next May 12
  • 4 fees due Jun 1 to 29, 2027 · next Jun 1
  • 1 fee due Jul 21, 2027
    The maintenance fee for Systems and methods for determining references in patent claims (US 10,540,443) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
  • 1 fee due Aug 16, 2027
    The maintenance fee for Methods and systems for annotating electronic documents (US 9,262,390) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
  • 3 fees due Oct 14 to 30, 2027 · next Oct 14
  • 1 fee due Nov 10, 2027
    The maintenance fee for Systems and methods for generating issue networks (US 9,336,305) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 terms have ended since Aug 16, 2026

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 7,558,725Method and apparatus for multilingual spelling corrections
In force
 · From the USPTO record
In forceFrom the USPTO record
US RE44,394Point of law search system and method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,805,429System and methods for analyzing documents
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,735,010Citation network viewer and method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,600,972Systems and methods for document searching
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,849,789System and method for searching for documents
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,141,728Methods and systems for creating and using an adaptive thesaurus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,719,898Systems and methods for analyzing documents
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,886,638System and method for ranking search results within citation intensive document collections
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,818,999Fuzzy proximity boosting and influence kernels
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 98 patents shown.
Pro members see all 98.
Pro members: see all 98 patents
Also on record, not counted in the 98: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 15 ended at full term · 1 surrendered on reissue. 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

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

5 pending · 4 no status recorded

List them

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