14 patents currently held

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

60 more records may belong here and await a decision; they are not counted.

The next term ends in Jan 2028. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Jan 2028

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028 202920302031 2032 2033 2034 2035 2036203720382039204020412042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Fusion of Multiple Imaging Planes for Isotropic Imaging in MRI and Quantitative Image Analysis Using Isotropic or Near-Isotropic Imaging US 7,634,119

The most cited patent in this portfolio, cited by 695 later US patents, top 1% of utility patents granted in 2009 in our data. Protection runs to 2028.

Ends Jan 2028 · High confidence Also notable

Implants for Altering Wear Patterns of Articular Surfaces US 8,682,052

Cited by 576 later US patents, top 1% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2032.

Ends Jun 2032 · High confidence Also notable

Tibial Guides, Tools, and Techniques for Resecting the Tibial Plateau US 9,486,226

Cited by 159 later US patents, top 5% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2035.

Ends Jan 2035 · High confidence

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.

2 fees due May 10 to 26, 2027 · next May 10
1 fee due Sep 17, 2027
The maintenance fee for Spring-Fit Surgical Guides (US 10,588,639) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 16, 2026

What they patent

The 5 largest of its 10 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Spring-Fit Surgical Guides	2 in force	to Feb 2036
Tibial Guides, Tools, and Techniques for Resecting the Tibial Plateau	2 in force	to Jan 2035
Solid Freeform Fabrication of Implant Components	2 in force	to Dec 2033
Implants for Altering Wear Patterns of Articular Surfaces	2 in force	to Jun 2032
Historical Patient-Specific Information for Articular Repair Systems	1 in force	to Mar 2034

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 7,634,119	Fusion of Multiple Imaging Planes for Isotropic Imaging in MRI and Quantitative Image Analysis Using Isotropic or Near-Isotropic Imaging In force Term ends Jan 12, 2028 · High confidence	In force	Term ends Jan 12, 2028	High confidence
US 7,796,791	Methods for Determining Meniscal Size and Shape and for Devising Treatment In force Term ends Nov 10, 2028 · High confidence	In force	Term ends Nov 10, 2028	High confidence
US 9,180,015	Implants for Altering Wear Patterns of Articular Surfaces In force Term ends Mar 5, 2029 · High confidence	In force	Term ends Mar 5, 2029	High confidence
US 8,951,260	Surgical Cutting Guide In force Term ends Jul 5, 2031 · High confidence	In force	Term ends Jul 5, 2031	High confidence
US 8,682,052	Implants for Altering Wear Patterns of Articular Surfaces In force Term ends Jun 16, 2032 · High confidence	In force	Term ends Jun 16, 2032	High confidence
US 12,274,452	Surgical Kit for Tibial Resection and Replacement In force Term ends Apr 18, 2033 · High confidence	In force	Term ends Apr 18, 2033	High confidence
US 9,636,229	Solid Freeform Fabrication of Implant Components In force Term ends Sep 20, 2033 · High confidence	In force	Term ends Sep 20, 2033	High confidence
US 10,485,676	Solid Freeform Fabrication of Implant Components In force Term ends Dec 21, 2033 · High confidence	In force	Term ends Dec 21, 2033	High confidence
US 9,387,083	Acquiring and Utilizing Kinematic Information for Patient-Adapted Implants, Tools and Surgical Procedures In force Term ends Jan 30, 2034 · High confidence	In force	Term ends Jan 30, 2034	High confidence
US 9,408,686	Devices, Systems and Methods for Manufacturing Orthopedic Implants In force Term ends Feb 2, 2034 · High confidence	In force	Term ends Feb 2, 2034	High confidence

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 119 patents ended · 109 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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