Prosecution Insights
Last updated: October 25, 2026

Remegen Co. Ltd.

Technology area: Biotechnology & Pharmaceuticals

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

Analysis

Remegen Co. Ltd. currently has 5 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 5 distinct examiners and various art units. This distribution suggests a diverse set of applications moving through the patent office simultaneously. Such a spread across different units may lead to varied prosecution experiences and timelines for the company. The breadth of the portfolio indicates a multi-faceted research and development focus.

Connor Kennedy English is identified as the busiest examiner for the portfolio, with 1 pending office action. Although designated as the busiest, this examiner handles a portion of the 5 total pending actions, indicating that the workload is dispersed among the various examiners involved in the company's prosecution. For practitioners, this means that no individual examiner has an outsized influence on the portfolio, and success depends on navigating the different examiner relationships. Each of the pending office actions represents a unique path toward patent allowance.

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

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
2
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 (40%)
2
Medium (40%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§112 only1 (20%)
Double-patenting + other2 (40%)
Multi-statute (no §101)2 (40%)

Industry Mix

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

5
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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ENGLISH, CONNOR KENNEDY 1 59.3% +50.3%
BUCCINI, MICHELLE CALLAHAN 1 — —
HA, JULIE 1 75.7% +44.1%
PUTTLITZ, KARL J 1 69.2% +18.5%
SKELDING, ZACHARY S 1 59.8% +41.1%

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
18725704 METHOD FOR PREPARING AND PURIFYING MONOMETHYL AURISTATIN E INTERMEDIATE ENGLISH, CONNOR KENNEDY —
17594768 BISPECIFIC FUSION PROTEIN AND APPLICATION THEREOF SKELDING, ZACHARY S —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18725704 METHOD FOR PREPARING AND PURIFYING MONOMETHYL AURISTATIN E INTERMEDIATE ENGLISH, CONNOR KENNEDY —
18374902 PREPARATION AND PURIFICATION PROCESS OF MONOMETHYL AURISTAIN E COMPOUND HA, JULIE —
18450966 USE OF ANTIBODY-DRUG CONJUGATE TARGETING HER2 IN TREATMENT OF SPECIFIC BREAST CANCER PUTTLITZ, KARL J —
17594768 BISPECIFIC FUSION PROTEIN AND APPLICATION THEREOF SKELDING, ZACHARY S —

Top Art Units

Art UnitApps
1625 1
1675 1
1654 1
1646 1
1644 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18725704 METHOD FOR PREPARING AND PURIFYING MONOMETHYL AURISTATIN E INTERMEDIATE ENGLISH, CONNOR KENNEDY 1625 §103§112 Non-Final OA — Pending Jun 28, 2024
18511869 USE OF HER2-TARGETING ANTIBODY-DRUG CONJUGATE IN TREATMENT OF HER2-LOW EXPRESSING BREAST CANCER BUCCINI, MICHELLE CALLAHAN 1675 §103§112DP Non-Final OA — Pending Nov 16, 2023
18374902 PREPARATION AND PURIFICATION PROCESS OF MONOMETHYL AURISTAIN E COMPOUND HA, JULIE 1654 §112 Non-Final OA — Pending Sep 29, 2023
18450966 USE OF ANTIBODY-DRUG CONJUGATE TARGETING HER2 IN TREATMENT OF SPECIFIC BREAST CANCER PUTTLITZ, KARL J 1646 §103DP Final Rejection — Pending Aug 16, 2023
17594768 BISPECIFIC FUSION PROTEIN AND APPLICATION THEREOF SKELDING, ZACHARY S 1644 §102§103§112 Final Rejection — Pending Oct 28, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Remegen Co. Ltd. have?

Remegen Co. Ltd. has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Remegen Co. Ltd. applications?

Connor Kennedy English has the most, with 1 of Remegen Co. Ltd.'s pending office actions.

What technology area are Remegen Co. Ltd.'s patent applications in?

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

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