Prosecution Insights
Last updated: May 29, 2026

Generation Bio Co.

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

Portfolio Summary

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
0
Due this week
0
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. 6 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)

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.

0
Hard (0%)
4
Medium (67%)
0
Easy (0%)
2
Unknown (33%)

Rejection Statute Mix

BucketCases
§103 only4 (67%)
No statute on record2 (33%)

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
VU, JAKE MINH 1 40.5% +27.6%
HILL, MYRON G 1 66.5% +19.8%
SONG, JIANFENG 1 56.1% +33.5%
JOHNSON, ALLISON MARIE 1 45.7% +50.0%
KELLY, ROBERT M 1 74.1% +24.6%
LIPPOLIS, ALEXANDRA ROSE 1 36.4% +70.1%

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
18015575 METHODS FOR ENCAPSULATING POLYNUCLEOTIDES INTO REDUCED SIZES OF LIPID NANOPARTICLES AND NOVEL FORMULATION THEREOF SONG, JIANFENG 105d overdue
19063950 STEALTH LIPID NANOPARTICLE COMPOSITIONS FOR CELL TARGETING VU, JAKE MINH 73d overdue
17430341 MODULATION OF REP PROTEIN ACTIVITY IN CLOSED-ENDED DNA (CEDNA) PRODUCTION LIPPOLIS, ALEXANDRA ROSE 31d overdue
17913477 NON-VIRAL DNA VECTORS AND USES THEREOF FOR EXPRESSING FACTOR IX THERAPEUTICS JOHNSON, ALLISON MARIE 23d overdue
17913482 NON-VIRAL DNA VECTORS AND USES THEREOF FOR EXPRESSING GAUCHER THERAPEUTICS KELLY, ROBERT M 16d overdue
18289622 NON-VIRAL DNA VECTORS FOR VACCINE DELIVERY HILL, MYRON G 4d overdue

Top Art Units

Art UnitApps
1638 2
1618 1
1671 1
1613 1
1637 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19063950 STEALTH LIPID NANOPARTICLE COMPOSITIONS FOR CELL TARGETING VU, JAKE MINH 1618 §103 Non-Final OA 73d overdue Pending Feb 26, 2025
18289622 NON-VIRAL DNA VECTORS FOR VACCINE DELIVERY HILL, MYRON G 1671 §103 Non-Final OA 4d overdue Pending Nov 06, 2023
18015575 METHODS FOR ENCAPSULATING POLYNUCLEOTIDES INTO REDUCED SIZES OF LIPID NANOPARTICLES AND NOVEL FORMULATION THEREOF SONG, JIANFENG 1613 Other Non-Final OA 105d overdue Pending Jan 11, 2023
17913477 NON-VIRAL DNA VECTORS AND USES THEREOF FOR EXPRESSING FACTOR IX THERAPEUTICS JOHNSON, ALLISON MARIE 1638 Other Non-Final OA 23d overdue Pending Sep 22, 2022
17913482 NON-VIRAL DNA VECTORS AND USES THEREOF FOR EXPRESSING GAUCHER THERAPEUTICS KELLY, ROBERT M 1638 §103 Non-Final OA 16d overdue Pending Sep 22, 2022
17430341 MODULATION OF REP PROTEIN ACTIVITY IN CLOSED-ENDED DNA (CEDNA) PRODUCTION LIPPOLIS, ALEXANDRA ROSE 1637 §103 Non-Final OA 31d overdue Pending Aug 12, 2021

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