The Patent Finder

Nutech Ventures

191 patents currently held · Updated Nov 14, 2026
10 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
8
Ending by 2030
Feb 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.
  • 2 fees due Nov 14 to 21, 2026 · next Nov 14
  • 5 fees due Dec 6 to 27, 2026 · next Dec 6
  • 6 fees due Jan 9 to 30, 2027 · next Jan 9
  • 1 fee due Feb 20, 2027
    The maintenance fee for Systems and Methods for Construction of Electrically Conductive Concrete Slab with Protection from Current Leakage (US 10,385,519) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
  • 4 fees due Mar 5 to 24, 2027 · next Mar 5
  • 2 fees due Apr 10 to 24, 2027 · next Apr 10
  • 5 fees due Jun 10 to 22, 2027 · next Jun 10
  • 4 fees due Jul 14 to 30, 2027 · next Jul 14
  • 3 fees due Aug 13 to 27, 2027 · next Aug 13
  • 3 fees due Sep 8 to 17, 2027 · next Sep 8
  • 4 fees due Oct 2 to 28, 2027 · next Oct 2
  • 2 fees due Nov 3 to 12, 2027 · next Nov 3

Which patents, and when each one lapses · Pro

Recent changes

  • 6 of the patents on this record were granted since Aug 16, 2026
  • 3 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 7,575,908Immobilization method for producing active α1-acid glycoprotein
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,887,672Method for Making Natural Cellulosic Fiber Bundles from Cellulosic Sources
In force
 · Medium confidence
In forceMedium confidence
US 7,826,060Direct Detection of Localized Modulation of Ion Concentration on an Electrode-Electrolyte Interface
In force
 · High confidence
In forceHigh confidence
US 7,741,075Pichia Pastoris PIR1 Secretion Signal Peptide for Recombinant Protein Expression and Pichia Pastoris PIR1 and PIR2 Anchor Domain Peptides for Recombinant Surface Display
In force
 · High confidence
In forceHigh confidence
US 8,604,213Fluorination of Aromatic Ring Systems
In force
 · High confidence
In forceHigh confidence
US 8,268,570Restricted Access Media and Methods for Making Restricted Access Media
In force
 · High confidence
In forceHigh confidence
US 8,007,405Rehabilitation and Exercise Machine
In force
 · High confidence
In forceHigh confidence
US 8,177,688Rehabilitation and exercise machine
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,546,578Iodonium Cyclophanes for Secure Arene Functionalization
In force
 · High confidence
In forceHigh confidence
US 8,626,345Method and System for Optimal Coordination Control and Soft Repair of Multiple Rooftop Heating and Cooling Units
In force
 · High confidence
In forceHigh confidence
10 of 191 patents shown.
Pro members see all 191.
Pro members: see all 191 patents
Also on record, not counted in the 191: 10 patents in force now held by others · 35 lapsed for an unpaid fee · 8 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

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.

40 pending · 28 abandoned · 14 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