Prosecution Insights
Last updated: October 04, 2026

Astellas Gene Therapies, Inc.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 2 art units • 2 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Astellas Gene Therapies, Inc. is currently managing 3 pending office actions in the Biotechnology & Pharmaceuticals sector. These matters are distributed among 2 distinct examiners and 2 distinct art units. VIJAYARAGHAVAN, JAGAMYA NMN is the busiest examiner, handling 2 pending office actions. This concentration means one individual is responsible for the majority of the company's current pending workload.

The presence of 2 distinct art units indicates the gene therapy applications are being reviewed by different specialized groups. Practitioners should focus on the preferences of VIJAYARAGHAVAN, JAGAMYA NMN, as that individual oversees the majority of the 3 pending office actions. With multiple examiners involved, the applicant must still account for different examination styles. However, the concentration under the busiest examiner simplifies the coordination of the portfolio. This biotechnology focus across the 2 distinct art units suggests a specialized but slightly varied technical range. Managing these separate examiner relationships requires a flexible approach to prosecution.

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

Portfolio Summary

3
Total Pending OAs
3
Non-Final OAs
0
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.

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

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Double-patenting + other1 (33%)
Multi-statute (no §101)1 (33%)

Industry Mix

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

2
Life Sciences
67% 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
33% 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
VIJAYARAGHAVAN, JAGAMYA NMN 2 62.5% +49.3%
POPA, ILEANA 1 21.4% +15.1%

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
18039812 RNA-TARGETING COMPOSITIONS AND METHODS FOR TREATING MYOTONIC DYSTROPHY TYPE 1 VIJAYARAGHAVAN, JAGAMYA NMN 31d overdue
18853473 ADENO-ASSOCIATED VIRUS POTENCY ASSAY AND USES THEREOF POPA, ILEANA —

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
18039812 RNA-TARGETING COMPOSITIONS AND METHODS FOR TREATING MYOTONIC DYSTROPHY TYPE 1 VIJAYARAGHAVAN, JAGAMYA NMN 31d overdue
18853473 ADENO-ASSOCIATED VIRUS POTENCY ASSAY AND USES THEREOF POPA, ILEANA —
18039813 RNA-TARGETING COMPOSITIONS AND METHODS FOR TREATING CAG REPEAT DISEASES VIJAYARAGHAVAN, JAGAMYA NMN —

Top Art Units

Art UnitApps
1637 1
1633 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18853473 ADENO-ASSOCIATED VIRUS POTENCY ASSAY AND USES THEREOF POPA, ILEANA — §103 Non-Final OA — Pending Oct 02, 2024
18039813 RNA-TARGETING COMPOSITIONS AND METHODS FOR TREATING CAG REPEAT DISEASES VIJAYARAGHAVAN, JAGAMYA NMN 1637 §103§112DP Non-Final OA — Pending Jun 01, 2023
18039812 RNA-TARGETING COMPOSITIONS AND METHODS FOR TREATING MYOTONIC DYSTROPHY TYPE 1 VIJAYARAGHAVAN, JAGAMYA NMN 1633 §103§112 Non-Final OA 31d overdue Pending Jun 01, 2023

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