Prosecution Insights
Last updated: October 27, 2026

Elphis Cell Therapeutics

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Elphis Cell Therapeutics has 3 pending office actions in Biotechnology & Pharmaceuticals. The matters are spread among 3 examiners and 3 art units, giving each pending matter a separate apparent examination assignment.

TICHY, JENNIFER M.H. is the busiest examiner, with 1 pending matter. Counsel should preserve matter-specific response strategies while monitoring for recurring issues across the separate assignments.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

3
Total Pending OAs
0
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Multi-statute (no §101)2 (67%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

3
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
TICHY, JENNIFER M.H. 1 64.6% +34.4%
PAULUS, ERIN VIRGINIA 1 20.0% +94.1%
BELYAVSKYI, MICHAIL A 1 63.9% +28.0%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18286954 COMPOSITION CONTAINING MESENCHYMAL STEM CELL AND VASCULAR ENDOTHELIAL PROGENITOR CELL AS ACTIVE INGREDIENT FOR PREVENTION OR TREATMENT OF OCCLUSIVE VASCULAR DISEASE OR COMPLICATION THEREOF TICHY, JENNIFER M.H. —
18278915 METHOD FOR PREPARING BONE-MARROW-DERIVED ENDOTHELIAL PROGENITOR CELLS HAVING INCREASED VASCULOGENESIS BY USING PDGF-BB, AND METHOD FOR PREPARING CELL THERAPEUTIC AGENT FOR TREATING ANANGIOPLASIA-RELATED DISEASES BY USING METHOD PAULUS, ERIN VIRGINIA —

Interview Candidates (3)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18286954 COMPOSITION CONTAINING MESENCHYMAL STEM CELL AND VASCULAR ENDOTHELIAL PROGENITOR CELL AS ACTIVE INGREDIENT FOR PREVENTION OR TREATMENT OF OCCLUSIVE VASCULAR DISEASE OR COMPLICATION THEREOF TICHY, JENNIFER M.H. —
18278915 METHOD FOR PREPARING BONE-MARROW-DERIVED ENDOTHELIAL PROGENITOR CELLS HAVING INCREASED VASCULOGENESIS BY USING PDGF-BB, AND METHOD FOR PREPARING CELL THERAPEUTIC AGENT FOR TREATING ANANGIOPLASIA-RELATED DISEASES BY USING METHOD PAULUS, ERIN VIRGINIA —
18014554 COMBINATION THERAPY OF SUBSTANCE-P FOR MOBILIZATION OF HEMATOPOIETIC STEM CELLS BELYAVSKYI, MICHAIL A —

Top Art Units

Art UnitApps
1653 1
1631 1
1644 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18286954 COMPOSITION CONTAINING MESENCHYMAL STEM CELL AND VASCULAR ENDOTHELIAL PROGENITOR CELL AS ACTIVE INGREDIENT FOR PREVENTION OR TREATMENT OF OCCLUSIVE VASCULAR DISEASE OR COMPLICATION THEREOF TICHY, JENNIFER M.H. 1653 §102§103§112 Final Rejection — Pending Oct 13, 2023
18278915 METHOD FOR PREPARING BONE-MARROW-DERIVED ENDOTHELIAL PROGENITOR CELLS HAVING INCREASED VASCULOGENESIS BY USING PDGF-BB, AND METHOD FOR PREPARING CELL THERAPEUTIC AGENT FOR TREATING ANANGIOPLASIA-RELATED DISEASES BY USING METHOD PAULUS, ERIN VIRGINIA 1631 §102§103§112 Final Rejection — Pending Aug 25, 2023
18014554 COMBINATION THERAPY OF SUBSTANCE-P FOR MOBILIZATION OF HEMATOPOIETIC STEM CELLS BELYAVSKYI, MICHAIL A 1644 §103 Final Rejection — Pending Jan 05, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Elphis Cell Therapeutics have?

Elphis Cell Therapeutics has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Elphis Cell Therapeutics applications?

Jennifer M.H. Tichy has the most, with 1 of Elphis Cell Therapeutics's pending office actions.

What technology area are Elphis Cell Therapeutics's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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