Pairwise Plants Services, Inc.

37 patents currently held · Updated Nov 14, 2026

1 more in force is now held by another company

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

Ending by 2030

Jul 2040

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 Jan 25, 2027
The maintenance fee for Optimized Protein Linkers and Methods of Use (US 11,708,568) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
1 fee due Feb 8, 2027
The maintenance fee for Optimized Protein Linkers and Methods of Use (US 11,718,838) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
2 fees due Jul 9 to 30, 2027 · next Jul 9
1 fee due Aug 27, 2027
The maintenance fee for Optimized CRISPR-Cas Nucleases and Base Editors and Methods of Use Thereof (US 11,913,005) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
1 fee due Sep 12, 2027
The maintenance fee for Compositions and Methods for RNA-Encoded DNA-Replacement of Alleles (US 11,926,834) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.
2 fees due Oct 16 to 23, 2027 · next Oct 16
1 fee due Nov 7, 2027
The maintenance fee for Recruitment Methods and Compounds, Compositions and Systems for Recruitment (US 11,976,278) comes due Nov 7, 2027. Unpaid by May 8, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted 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.

Patent	Title	Status	Expires	Confidence
US 11,072,785	Optimized Protein Linkers and Methods of Use In force Term ends Jul 17, 2040 · High confidence	In force	Term ends Jul 17, 2040	High confidence
US 11,591,607	Optimized CRISPR-Cas Nucleases and Base Editors and Methods of Use Thereof In force Term ends Oct 23, 2040 · High confidence	In force	Term ends Oct 23, 2040	High confidence
US 12,084,671	Optimized CRISPR-Cas Nucleases and Base Editors and Methods of Use Thereof In force Term ends Oct 23, 2040 · High confidence	In force	Term ends Oct 23, 2040	High confidence
US 12,653,139	A Seedless Black Raspberry with a Mutant Agamous-Clade Mads-Box Transcription Factor Gene In force Term ends Oct 23, 2040 · High confidence	In force	Term ends Oct 23, 2040	High confidence
US 12,344,850	Morphogenic regulators and methods of using the same In force Term ends Nov 19, 2040 · From the USPTO record	In force	Term ends Nov 19, 2040	From the USPTO record
US 11,913,005	Optimized CRISPR-Cas Nucleases and Base Editors and Methods of Use Thereof In force Term ends Nov 21, 2040 · High confidence	In force	Term ends Nov 21, 2040	High confidence
US 12,545,924	Mutation of Growth Regulating Factor Family Transcription Factors for Enhanced Plant Growth In force Term ends Dec 18, 2040 · High confidence	In force	Term ends Dec 18, 2040	High confidence
US 11,708,568	Optimized Protein Linkers and Methods of Use In force Ends no later than Feb 6, 2041 · Medium confidence	In force	Ends no later than Feb 6, 2041	Medium confidence
US 12,173,335	Recruitment of DNA Polymerase for Templated Editing In force Term ends Apr 15, 2041 · High confidence	In force	Term ends Apr 15, 2041	High confidence
US 11,866,745	Variants of CAS12A Nucleases and Methods of Making and Use Thereof In force Term ends May 5, 2041 · High confidence	In force	Term ends May 5, 2041	High confidence

10 of 37 patents shown.

Pro members see all 37.

Pro members: see all 37 patents

Also on record, not counted in the 37: 1 patent in force now held by others. 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.

58 pending · 6 abandoned · 1 no status recorded

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