Prosecution Insights
Last updated: October 02, 2026

Korro Bio Inc.

Technology area: Biotechnology & Pharmaceuticals

7 pending office actions • 3 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Korro Bio Inc. currently manages 7 pending office actions within the Biotechnology & Pharmaceuticals technology area. This workload is distributed across 7 distinct examiners, which indicates a one-to-one ratio of examiners to pending matters. The involvement of 3 distinct art units suggests that while the examiners are numerous, they are clustered within a relatively small number of specialized examination groups.

The busiest examiner for this portfolio is CHONG, KIMBERLY, who is responsible for 1 pending office action. Since each of the 7 distinct examiners holds exactly 1 pending action, the prosecution is perfectly decentralized across the individual examiners. This distribution means that no single examiner's habits or preferences will dominate the current prosecution landscape for the company.

Practitioners should note that the 3 distinct art units represent the primary technical silos where the company's applications are being reviewed. Navigating the current workload across 7 different individuals requires a strategy that accounts for diverse examiner perspectives while maintaining consistency across the 3 art units. The lack of concentration under any single examiner suggests that the company is experiencing a broad range of USPTO feedback.

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

Portfolio Summary

7
Total Pending OAs
4
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 7 days (1)Due ≤ 30 days (1)

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 (29%)
4
Medium (57%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (14%)
§112 only1 (14%)
Double-patenting + other3 (43%)
Multi-statute (no §101)2 (29%)

Industry Mix

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

6
Life Sciences
86% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
14% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHONG, KIMBERLY 1 72.4% +13.0%
TRAN, CHRISTINA L 1 51.6% +48.2%
SHIN, DANA H 1 27.0% +27.0%
MEYERING, SHABANA SHABBEER 1 70.6% +42.3%
WHITEMAN, BRIAN A 1 68.5% +16.7%
KONOPKA, CATHERINE ANNE 1 58.1% +65.0%
LIPPOLIS, ALEXANDRA ROSE 1 46.9% +59.0%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
17986014 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF LEUCINE RICH REPEAT KINASE 2 (LRRK2) SHIN, DANA H 38d overdue
18570938 Methods and Compositions for ADAR-Mediated Editing TRAN, CHRISTINA L —
17985970 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF METHYL-CPG BINDING PROTEIN 2 (MECP2) LIPPOLIS, ALEXANDRA ROSE —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
17986014 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF LEUCINE RICH REPEAT KINASE 2 (LRRK2) SHIN, DANA H 38d overdue
17985963 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF GAP JUNCTION PROTEIN BETA 2 (GJB2) MEYERING, SHABANA SHABBEER 6d
17985978 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF RETINOCHISIN 1 (RS1) WHITEMAN, BRIAN A 23d
18700152 METHODS AND COMPOSITIONS FOR DISRUPTING NRF2-KEAP1 PROTEIN INTERACTION BY ADAR MEDIATED RNA EDITING CHONG, KIMBERLY —
18570938 Methods and Compositions for ADAR-Mediated Editing TRAN, CHRISTINA L —
17985974 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF TRANSMEMBRANE CHANNEL-LIKE PROTEIN 1 (TMC1) KONOPKA, CATHERINE ANNE —
17985970 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF METHYL-CPG BINDING PROTEIN 2 (MECP2) LIPPOLIS, ALEXANDRA ROSE —

Top Art Units

Art UnitApps
1635 3
1637 2
1636 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18700152 METHODS AND COMPOSITIONS FOR DISRUPTING NRF2-KEAP1 PROTEIN INTERACTION BY ADAR MEDIATED RNA EDITING CHONG, KIMBERLY — §112 Non-Final OA — Pending Apr 10, 2024
18570938 Methods and Compositions for ADAR-Mediated Editing TRAN, CHRISTINA L 1637 §102§103 Non-Final OA — Pending Dec 15, 2023
17986014 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF LEUCINE RICH REPEAT KINASE 2 (LRRK2) SHIN, DANA H 1635 §103DP Final Rejection 38d overdue Pending Nov 14, 2022
17985963 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF GAP JUNCTION PROTEIN BETA 2 (GJB2) MEYERING, SHABANA SHABBEER 1635 §102§103DP Final Rejection 6d Pending Nov 14, 2022
17985978 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF RETINOCHISIN 1 (RS1) WHITEMAN, BRIAN A 1636 §103 Non-Final OA 23d Pending Nov 14, 2022
17985974 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF TRANSMEMBRANE CHANNEL-LIKE PROTEIN 1 (TMC1) KONOPKA, CATHERINE ANNE 1635 §103DP Final Rejection — Pending Nov 14, 2022
17985970 METHODS AND COMPOSITIONS FOR THE ADAR-MEDIATED EDITING OF METHYL-CPG BINDING PROTEIN 2 (MECP2) LIPPOLIS, ALEXANDRA ROSE 1637 §102§103§112 Non-Final OA — Pending Nov 14, 2022

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