Greenleaf Nursery Co.

33 patents currently held · Updated Nov 15, 2026

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

Recorded under 3 name spellings.

Ending by 2030

Aug 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

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 PP19,654	Cercis tree named ‘Greswan’ In force Term ends Aug 22, 2027 · From the USPTO record	In force	Term ends Aug 22, 2027	From the USPTO record
US PP19,655	Wisteria plant named ‘Betty Tam’ In force Term ends Aug 22, 2027 · From the USPTO record	In force	Term ends Aug 22, 2027	From the USPTO record
US PP21,159	Buxus plant named ‘Gregem’ In force Term ends Apr 17, 2029 · From the USPTO record	In force	Term ends Apr 17, 2029	From the USPTO record
US PP21,168	Ilex plant named ‘Gremicr’ In force Term ends Apr 17, 2029 · From the USPTO record	In force	Term ends Apr 17, 2029	From the USPTO record
US PP23,496	Citrus tree named ‘Gremoy47’ In force Term ends Jul 12, 2031 · From the USPTO record	In force	Term ends Jul 12, 2031	From the USPTO record
US PP23,584	Pieris plant named ‘Greprs’ In force Term ends Feb 2, 2032 · From the USPTO record	In force	Term ends Feb 2, 2032	From the USPTO record
US PP25,531	Citrus plant named ‘Gremoy79’ In force Term ends May 17, 2033 · From the USPTO record	In force	Term ends May 17, 2033	From the USPTO record
US PP26,662	Althea plant named ‘DS01BS’ In force Term ends Jul 15, 2033 · From the USPTO record	In force	Term ends Jul 15, 2033	From the USPTO record
US PP26,551	Althea plant named ‘DS04PS’ In force Term ends Sep 9, 2033 · From the USPTO record	In force	Term ends Sep 9, 2033	From the USPTO record
US PP26,247	Hamelia plant named ‘Grelmsiz’ In force Term ends Apr 2, 2034 · From the USPTO record	In force	Term ends Apr 2, 2034	From the USPTO record

10 of 33 patents shown.

Pro members see all 33.

Pro members: see all 33 patents

Also on record, not counted in the 33: 4 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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.