Dynamic Balancer Systems LLC

17 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

Oct 2039

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 May 28, 2027
The maintenance fee for Knee jig positioning apparatus and method (US 11,826,057) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
1 fee due Jun 12, 2027
The maintenance fee for Machine learning based joint evaluation method (US 11,839,550) comes due Jun 12, 2027. Unpaid by Dec 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 10,729,417	Knee flexion and extension gap tensioning and measuring method In force Term ends Oct 31, 2039 · From the USPTO record	In force	Term ends Oct 31, 2039	From the USPTO record
US 10,772,617	Knee flexion and extension gap tensioning and measuring apparatus In force Term ends Oct 31, 2039 · From the USPTO record	In force	Term ends Oct 31, 2039	From the USPTO record
US 11,000,382	Apparatus and method for joint characterization and treatment In force Term ends Oct 31, 2039 · From the USPTO record	In force	Term ends Oct 31, 2039	From the USPTO record
US 11,298,246	Apparatus and method for evaluating knee geometry In force Term ends Jan 9, 2041 · From the USPTO record	In force	Term ends Jan 9, 2041	From the USPTO record
US 12,290,451	Apparatus and method for evaluating knee geometry In force Term ends Dec 14, 2041 · From the USPTO record	In force	Term ends Dec 14, 2041	From the USPTO record
US 11,612,421	Tensioner-balancer for knee joint In force Term ends Dec 17, 2041 · From the USPTO record	In force	Term ends Dec 17, 2041	From the USPTO record
US 11,602,443	Knee Evaluation and Arthroplasty Method In force Ends no later than Jun 28, 2042 · Medium confidence	In force	Ends no later than Jun 28, 2042	Medium confidence
US 11,612,503	Joint soft tissue evaluation method In force Term ends Jun 28, 2042 · From the USPTO record	In force	Term ends Jun 28, 2042	From the USPTO record
US 11,642,118	Knee tensioner-balancer and method In force Term ends Jun 28, 2042 · From the USPTO record	In force	Term ends Jun 28, 2042	From the USPTO record
US 11,839,550	Machine learning based joint evaluation method In force Term ends Jun 28, 2042 · From the USPTO record	In force	Term ends Jun 28, 2042	From the USPTO record

10 of 17 patents shown.

Pro members see all 17.

Pro members: see all 17 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

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.

1 no status recorded

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