Guerbet

41 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Jun 2028

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.

3 fees due Dec 27, 2026
1 fee due Jan 4, 2027
The maintenance fee for Determining Appropriate Medical Image Processing Pipeline Based on Machine Learning (US 11,694,297) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
1 fee due Mar 5, 2027
The maintenance fee for Seed Relabeling for Seed-Based Segmentation of a Medical Image (US 11,749,401) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
1 fee due Jul 7, 2027
The maintenance fee for Medical Stopcock, Kit Comprising Such a Stopcock, and Method for Preparing a Mixture or an Emulsion (US 10,525,251) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
1 fee due Aug 18, 2027
The maintenance fee for Medical Stopcock, Kit Comprising Such a Stopcock, and Method for Preparing a Mixture or an Emulsion (US 10,561,832) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
1 fee due Oct 19, 2027
The maintenance fee for Process for the Preparation of Macrocyclic Polyazacarboxylate Ligands and Chelates (US 9,315,474) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.
1 fee due Nov 5, 2027
The maintenance fee for Segmenting Irregular Shapes in Images Using Deep Region Growing with an Image Pyramid (US 10,643,092) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 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 9,636,427	Process for preparing a pharmaceutical formulation of contrast agents In force Term ends Jun 12, 2028 · From the USPTO record	In force	Term ends Jun 12, 2028	From the USPTO record
US 9,655,983	Process for preparing a pharmaceutical formulation of contrast agents In force Term ends Jun 12, 2028 · From the USPTO record	In force	Term ends Jun 12, 2028	From the USPTO record
US 9,907,866	Process for preparing a pharmaceutical formulation of contrast agents In force Ends no later than Jun 12, 2028 · From the USPTO record	In force	Ends no later than Jun 12, 2028	From the USPTO record
US 8,114,863	Compounds Comprising Short Aminoalcohol Chains and Metal Complexes for Medical Imgaing In force Term ends Sep 19, 2028 · High confidence	In force	Term ends Sep 19, 2028	High confidence
US 8,722,018	Method for preparing nanoparticles covered with a gem-bisphosphonate stabilizing layer coupled to hydrophilic distribution ligands In force Term ends Mar 2, 2030 · From the USPTO record	In force	Term ends Mar 2, 2030	From the USPTO record
US 9,315,474	Process for the Preparation of Macrocyclic Polyazacarboxylate Ligands and Chelates In force Term ends Oct 1, 2033 · High confidence	In force	Term ends Oct 1, 2033	High confidence
US 10,064,883	Lipiodol-based anti-tumour emulsion for treating cancer In force Term ends Jan 27, 2034 · From the USPTO record	In force	Term ends Jan 27, 2034	From the USPTO record
US D849,936	Valve for mixing fluids In force Term ends May 28, 2034 · From the USPTO record	In force	Term ends May 28, 2034	From the USPTO record
US 10,080,881	Assembly for medical use for administering a product to a patient In force Term ends Apr 21, 2035 · From the USPTO record	In force	Term ends Apr 21, 2035	From the USPTO record
US 10,918,743	Contrast medium formulation and related preparation method In force Term ends Dec 5, 2035 · From the USPTO record	In force	Term ends Dec 5, 2035	From the USPTO record

10 of 41 patents shown.

Pro members see all 41.

Pro members: see all 41 patents

Also on record, not counted in the 41: 15 lapsed for an unpaid fee · 8 ended at full term · 1 surrendered on reissue. 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

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.

16 pending · 1 abandoned · 14 no status recorded

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