The Patent Finder

RWTH Aachen

12 patents currently held · Updated Nov 14, 2026
6 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.

Recorded under 2 name spellings.

3
Ending by 2030
May 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.
  • 1 fee due Jan 21, 2027
    The maintenance fee for WDM Telecommunications Link with Coherent Detection and Optical Frequency Comb Sources (US 9,088,371) comes due Jan 21, 2027. Unpaid by Jul 21, 2027, it lapses early.
  • 1 fee due Jun 10, 2027
    The maintenance fee for Circuit assembly for linking different electrical voltage levels, as well as control method (US 10,500,971) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
  • 1 fee due Jul 19, 2027
    The maintenance fee for Amplifier assembly (US 9,240,759) comes due Jul 19, 2027. Unpaid by Jan 19, 2028, it lapses early.
  • 1 fee due Oct 19, 2027
    The maintenance fee for Laser to chip coupler (US 9,316,788) comes due Oct 19, 2027. Unpaid by Apr 19, 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 8,008,007S-adenosyl-L-methionine analogs with extended activated groups for transfer by methyltransferases
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,268,632Method and device for recording process paramaters of reaction fluids in several agitated microreactors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,148,988Magnet arrangement and method for providing a magnetic field in a sensitive volume
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,316,788Laser to chip coupler
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,088,371WDM Telecommunications Link with Coherent Detection and Optical Frequency Comb Sources
In force
 · High confidence
In forceHigh confidence
US 9,240,759Amplifier assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,484,705Optically End-Pumped Slab Amplifier Comprising Pump Modules Arranged in a Distributed Manner
In force
 · High confidence
In forceHigh confidence
US 9,787,255Sequential broadband doherty power amplifier with adjustable output power back-off
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,225,018WDM Comb Source Based Optical Link with Improved Optical Amplification
In force
 · High confidence
In forceHigh confidence
US 10,168,497Self-alignment for apparatus comprising photonic device
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
Also on record, not counted in the 12: 6 patents in force now held by others · 11 lapsed for an unpaid fee. 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.

2 pending · 2 abandoned · 6 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