Prosecution Insights
Last updated: October 25, 2026

Proqr Therapeutics Ii B V

Technology area: Biotechnology & Pharmaceuticals

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Proqr Therapeutics Ii B V has 1 pending office action within the Biotechnology & Pharmaceuticals technology area. This prosecution matter is being handled by a distinct examiner and is located within a distinct art unit. The company's current activity is focused on this single pending action, which represents the entirety of its active examination profile. In the biotechnology field, having a single pending office action suggests a targeted approach to patenting, where the company is currently navigating the specific requirements of a single examiner and art unit.

CHONG, KIMBERLY is the busiest examiner for this portfolio, with 1 pending office action currently under review. This examiner is responsible for the only pending action the company has, meaning the prosecution is concentrated under this individual. The involvement of a distinct art unit further highlights the specialized nature of the pending matter. Because there is only a single distinct examiner involved, the company's current patent strategy is dependent on the specific feedback of this 1 official within the USPTO.

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

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
0
Final Rejections
1
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.

1
Hard (50%)
1
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Double-patenting + other1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

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

2
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.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHONG, KIMBERLY 1 72.3% +13.1%
ALLEN, SARAH ELIZABETH 1 56.7% +33.3%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18006134 ANTISENSE OLIGONUCLEOTIDES FOR RNA EDITING ALLEN, SARAH ELIZABETH —

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18477366 NUCLEIC ACID MOLECULES FOR PSEUDOURIDYLATION CHONG, KIMBERLY —
18006134 ANTISENSE OLIGONUCLEOTIDES FOR RNA EDITING ALLEN, SARAH ELIZABETH —

Top Art Units

Art UnitApps
1636 1
1637 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18477366 NUCLEIC ACID MOLECULES FOR PSEUDOURIDYLATION CHONG, KIMBERLY 1636 §112DP Non-Final OA — Pending Sep 28, 2023
18006134 ANTISENSE OLIGONUCLEOTIDES FOR RNA EDITING ALLEN, SARAH ELIZABETH 1637 §103§112 Non-Final OA — Pending Jan 19, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Proqr Therapeutics Ii B V have?

Proqr Therapeutics Ii B V has 2 pending office actions as of October 2026, spread across 2 art units and 2 examiners.

Which USPTO examiner handles the most Proqr Therapeutics Ii B V applications?

Kimberly Chong has the most, with 1 of Proqr Therapeutics Ii B V's pending office actions.

What technology area are Proqr Therapeutics Ii B V's patent applications in?

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

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