Hedwig Wireless Technologies LLC

12 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Nov 2029

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Nov 28, 2026
The maintenance fee for Method and Device for Aperiodic SRS in Ue and Device Base Station (US 10,305,652) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
1 fee due Dec 23, 2026
The maintenance fee for Method and System for Determining Physical Uplink Control Channel Resources (US 9,066,336) comes due Dec 23, 2026. Unpaid by Jun 23, 2027, it lapses early.
1 fee due Mar 12, 2027
The maintenance fee for Transmission Configuration Method, Transmission Configuration Determination Method, Base Station and Terminal (US 11,758,418) comes due Mar 12, 2027. Unpaid by Sep 13, 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.

Patent	Title	Status	Expires	Confidence
US 8,744,437	Method for realizing user accessibility and multi-mode terminal In force Term ends Nov 22, 2029 · From the USPTO record	In force	Term ends Nov 22, 2029	From the USPTO record
US 8,913,574	Channel State Information Feedback Method and User Equipment In force Term ends Sep 26, 2030 · High confidence	In force	Term ends Sep 26, 2030	High confidence
US 9,066,336	Method and System for Determining Physical Uplink Control Channel Resources In force Term ends Aug 20, 2031 · High confidence	In force	Term ends Aug 20, 2031	High confidence
US 9,516,681	Method, device and system for accessing core network by means of non-3GPP access In force Term ends Feb 28, 2033 · High confidence	In force	Term ends Feb 28, 2033	High confidence
US 9,930,667	Method and Device for Communication on Unlicensed Spectrum in Ue and Base Station In force Term ends Mar 9, 2035 · High confidence	In force	Term ends Mar 9, 2035	High confidence
US 9,980,151	Method and Device for Transmission on Unlicensed Spectrum in Ue and Base Station In force Term ends Mar 9, 2035 · High confidence	In force	Term ends Mar 9, 2035	High confidence
US 10,305,652	Method and Device for Aperiodic SRS in Ue and Device Base Station In force Term ends Mar 9, 2035 · High confidence	In force	Term ends Mar 9, 2035	High confidence
US 9,918,332	Method and Device for Ue-Base Station Communication by Using Unlicensed Spectrum In force Term ends Jul 24, 2035 · High confidence	In force	Term ends Jul 24, 2035	High confidence
US 11,259,279	Data Transmission Method and Device In force Term ends Aug 11, 2036 · High confidence	In force	Term ends Aug 11, 2036	High confidence
US 11,265,735	Transmission Configuration Method, Transmission Configuration Determination Method, Base Station and Terminal In force Term ends Nov 2, 2037 · High confidence	In force	Term ends Nov 2, 2037	High confidence

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

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.

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Published applications

Every application published under this name has become a patent.