Prosecution Insights
Last updated: October 25, 2026

Acuitas Therapeutics Inc.

Technology area: Biotechnology & Pharmaceuticals

6 pending office actions • 6 art units • 6 examiners • 0 of 6 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

Acuitas Therapeutics Inc. currently manages 8 pending office actions within the Biotechnology & Pharmaceuticals technology area. This portfolio is distributed across 8 distinct examiners and 8 distinct art units. The presence of these 8 pending office actions shows the current volume of activity for this entity. Practitioners should note the distribution across the 8 distinct art units, which involves different examination environments. The coordination of responses across different technical centers is a key consideration for the legal team.

CHEN, PO-CHIH is the busiest examiner for this portfolio, currently overseeing 1 pending office action. While the company workload involves 8 distinct examiners, this specific official is responsible for 1 matter. This distribution suggests that the innovations are being evaluated by different groups within the Biotechnology & Pharmaceuticals field. Having 8 distinct examiners involved means that the prosecution strategy must account for the individual tendencies of various officials. Each examiner may bring a different perspective to the claims, requiring a specific approach for every individual case file.

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

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

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.

4
Hard (67%)
1
Medium (17%)
1
Easy (17%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (17%)
Double-patenting only1 (17%)
Multi-statute (no §101)4 (67%)

Industry Mix

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

6
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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHEN, PO-CHIH 1 74.3% +14.7%
HIRT, ERIN E 1 40.6% +22.9%
KETCHAM, KAREN A 1 19.6% +37.2%
ROSENTHAL, ANDREW S 1 51.9% +39.0%
ALSOMAIRY, SARAH ABDOALATIF 1 57.4% +30.7%
POPA, ILEANA 1 21.7% +15.7%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18744241 AMIDE CONTAINING LIPIDS ROSENTHAL, ANDREW S 18d overdue
18902591 LIPIDS FOR LIPID NANOPARTICLE DELIVERY OF ACTIVE AGENTS CHEN, PO-CHIH —
18767373 LIPIDS FOR USE IN LIPID NANOPARTICLE FORMULATIONS HIRT, ERIN E —
18744246 LIPIDS FOR USE IN LIPID NANOPARTICLES KETCHAM, KAREN A —
18421751 mRNA THERAPY WITH REDUCED IMMUNE REACTOGENICITY ALSOMAIRY, SARAH ABDOALATIF —
17496530 LIPIDS AND LIPID NANOPARTICLE FORMULATIONS FOR DELIVERY OF NUCLEIC ACIDS POPA, ILEANA —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18744241 AMIDE CONTAINING LIPIDS ROSENTHAL, ANDREW S 18d overdue
18902591 LIPIDS FOR LIPID NANOPARTICLE DELIVERY OF ACTIVE AGENTS CHEN, PO-CHIH —
18767373 LIPIDS FOR USE IN LIPID NANOPARTICLE FORMULATIONS HIRT, ERIN E —
18744246 LIPIDS FOR USE IN LIPID NANOPARTICLES KETCHAM, KAREN A —
18421751 mRNA THERAPY WITH REDUCED IMMUNE REACTOGENICITY ALSOMAIRY, SARAH ABDOALATIF —
17496530 LIPIDS AND LIPID NANOPARTICLE FORMULATIONS FOR DELIVERY OF NUCLEIC ACIDS POPA, ILEANA —

Top Art Units

Art UnitApps
1621 1
1616 1
1614 1
1613 1
1646 1
1633 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18902591 LIPIDS FOR LIPID NANOPARTICLE DELIVERY OF ACTIVE AGENTS CHEN, PO-CHIH 1621 §103§112Other Non-Final OA — Pending Sep 30, 2024
18767373 LIPIDS FOR USE IN LIPID NANOPARTICLE FORMULATIONS HIRT, ERIN E 1616 §102§103§112Other Non-Final OA — Pending Jul 09, 2024
18744246 LIPIDS FOR USE IN LIPID NANOPARTICLES KETCHAM, KAREN A 1614 §103 Non-Final OA — Pending Jun 14, 2024
18744241 AMIDE CONTAINING LIPIDS ROSENTHAL, ANDREW S 1613 §103§112 Final Rejection 18d overdue Pending Jun 14, 2024
18421751 mRNA THERAPY WITH REDUCED IMMUNE REACTOGENICITY ALSOMAIRY, SARAH ABDOALATIF 1646 §102§103§112 Non-Final OA — Pending Jan 24, 2024
17496530 LIPIDS AND LIPID NANOPARTICLE FORMULATIONS FOR DELIVERY OF NUCLEIC ACIDS POPA, ILEANA 1633 DP Final Rejection — Pending Oct 07, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Acuitas Therapeutics Inc. have?

Acuitas Therapeutics Inc. has 6 pending office actions as of October 2026, spread across 6 art units and 6 examiners.

Which USPTO examiner handles the most Acuitas Therapeutics Inc. applications?

Po-Chih Chen has the most, with 1 of Acuitas Therapeutics Inc.'s pending office actions.

What technology area are Acuitas Therapeutics Inc.'s patent applications in?

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

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