Ldip, 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

Mar 2027

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 Aug 4, 2027
The maintenance fee for Waveguide-based optical scanning systems (US 10,551,318) comes due Aug 4, 2027. Unpaid by Feb 4, 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.

Patent	Title	Status	Expires	Confidence
US 8,187,866	Optical scanning system In force Ends no later than Mar 8, 2027 · From the USPTO record	In force	Ends no later than Mar 8, 2027	From the USPTO record
US 9,423,397	Waveguide-based detection system with scanning light source In force Ends no later than Mar 8, 2027 · From the USPTO record	In force	Ends no later than Mar 8, 2027	From the USPTO record
US 9,976,192	Waveguide-based detection system with scanning light source In force Term ends Mar 8, 2027 · From the USPTO record	In force	Term ends Mar 8, 2027	From the USPTO record
US 10,590,493	Waveguide-based detection system with scanning light source In force Ends no later than Mar 8, 2027 · From the USPTO record	In force	Ends no later than Mar 8, 2027	From the USPTO record
US 10,551,318	Waveguide-based optical scanning systems In force Term ends Mar 20, 2028 · From the USPTO record	In force	Term ends Mar 20, 2028	From the USPTO record
US 8,675,199	Waveguide-based detection system with scanning light source In force Term ends Nov 16, 2028 · From the USPTO record	In force	Term ends Nov 16, 2028	From the USPTO record
US 7,951,583	Optical scanning system In force Term ends Mar 29, 2030 · From the USPTO record	In force	Term ends Mar 29, 2030	From the USPTO record
US 9,528,939	Waveguide-based optical scanning systems In force Term ends Apr 16, 2030 · From the USPTO record	In force	Term ends Apr 16, 2030	From the USPTO record
US 8,288,157	Waveguide-based optical scanning systems In force Term ends Mar 2, 2031 · From the USPTO record	In force	Term ends Mar 2, 2031	From the USPTO record
US D878,851	Pig shape silicone mold In force Term ends Mar 24, 2035 · From the USPTO record	In force	Term ends Mar 24, 2035	From 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: 1 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.

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Published applications

Every application published under this name has become a patent.