Shenzhen Longsys Electronics Co., Ltd.

23 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

Jun 2031

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 Feb 20, 2027
The maintenance fee for SSD storage module, SSD component, and SSD (US 10,388,329) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
1 fee due Mar 19, 2027
The maintenance fee for USB mass storage device access control method and access control apparatus (US 11,762,976) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
1 fee due Apr 27, 2027
The maintenance fee for USB flash disk and assembly method thereof (US 9,173,317) comes due Apr 27, 2027. Unpaid by Oct 27, 2027, it lapses early.
1 fee due Jun 15, 2027
The maintenance fee for SD memory card (US 9,213,492) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted 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.

Patent	Title	Status	Expires	Confidence
US 8,711,571	Portable multimedia player In force Term ends Jun 30, 2031 · From the USPTO record	In force	Term ends Jun 30, 2031	From the USPTO record
US 8,862,855	Reading/writing control method and system for nonvolatile memory storage device In force Term ends Dec 26, 2031 · From the USPTO record	In force	Term ends Dec 26, 2031	From the USPTO record
US 9,173,317	USB flash disk and assembly method thereof In force Term ends Mar 27, 2032 · From the USPTO record	In force	Term ends Mar 27, 2032	From the USPTO record
US 9,213,492	SD memory card In force Term ends Jul 3, 2032 · From the USPTO record	In force	Term ends Jul 3, 2032	From the USPTO record
US D819,037	SSD storage module In force Term ends May 29, 2033 · From the USPTO record	In force	Term ends May 29, 2033	From the USPTO record
US D864,213	USB flash disk In force Term ends Oct 22, 2034 · From the USPTO record	In force	Term ends Oct 22, 2034	From the USPTO record
US D885,406	USB flash disk In force Term ends May 26, 2035 · From the USPTO record	In force	Term ends May 26, 2035	From the USPTO record
US D885,407	Data memory drive In force Term ends May 26, 2035 · From the USPTO record	In force	Term ends May 26, 2035	From the USPTO record
US D886,113	USB flash disk In force Term ends Jun 2, 2035 · From the USPTO record	In force	Term ends Jun 2, 2035	From the USPTO record
US D894,180	Solid state drive In force Term ends Aug 25, 2035 · From the USPTO record	In force	Term ends Aug 25, 2035	From the USPTO record

10 of 23 patents shown.

Pro members see all 23.

Pro members: see all 23 patents

Also on record, not counted in the 23: 1 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.

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Published applications

Every application published under this name has become a patent.