BASF Japan Ltd.

9 patents currently held · Updated Nov 14, 2026

18 more in force are now held by other companies

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

Ending by 2030

Mar 2030

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 Mar 8, 2027
The maintenance fee for Waterborne mid-coat paint composition (US 9,127,185) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
1 fee due Nov 10, 2027
The maintenance fee for Clear Paint Compositions Comprising Hyperbranched, Dendritic, Hydroxyl- Functional Polyesters (US 9,334,355) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 9,630,212	Method for the Formation of Multi-Layer Paint Films In force Term ends Mar 31, 2030 · High confidence	In force	Term ends Mar 31, 2030	High confidence
US 9,334,355	Clear Paint Compositions Comprising Hyperbranched, Dendritic, Hydroxyl- Functional Polyesters In force Term ends Jul 14, 2030 · High confidence	In force	Term ends Jul 14, 2030	High confidence
US 9,828,516	Paint composition, method of forming a paint film using same and the paint film In force Term ends Jul 27, 2031 · From the USPTO record	In force	Term ends Jul 27, 2031	From the USPTO record
US 9,682,403	Method for the spot repair of scratch-resistant paint films In force Term ends Nov 24, 2031 · From the USPTO record	In force	Term ends Nov 24, 2031	From the USPTO record
US 9,127,185	Waterborne mid-coat paint composition In force Term ends Apr 3, 2032 · From the USPTO record	In force	Term ends Apr 3, 2032	From the USPTO record
US 10,100,220	Water-based coating composition and method for forming multilayer coating film using said composition In force Term ends Dec 8, 2035 · From the USPTO record	In force	Term ends Dec 8, 2035	From the USPTO record
US 11,101,500	Electrochemical Cells Comprising Bifunctional Phosphonic Acid Silylesters In force Term ends Jan 9, 2038 · High confidence	In force	Term ends Jan 9, 2038	High confidence
US 11,145,903	Functionalized Sulfonyl Fluoride Additives for Electrolyte Composition for Lithium Ion Batteries In force Term ends Oct 7, 2038 · High confidence	In force	Term ends Oct 7, 2038	High confidence
US 11,444,326	Heterocyclic Sulfonyl Fluoride Additives for Electrolyte Composition for Lithium Batteries In force Term ends May 23, 2039 · High confidence	In force	Term ends May 23, 2039	High confidence

Also on record, not counted in the 9: 18 patents in force now held by others · 10 lapsed for an unpaid fee · 2 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.