Prosecution Insights
Last updated: May 29, 2026

Arrowhead Pharmaceuticals, Inc.

6 pending office actions • 3 art units • 5 examiners • 0 of 6 (0%) have an AI response strategy ready • 13 patents granted in the last 365 days

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
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.

3
Overdue
0
Due this week
1
Due this month
2
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 (3)Due ≤ 30 days (1)Due ≤ 60 days (2)

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%)
3
Medium (50%)
0
Easy (0%)
3
Unknown (50%)

Rejection Statute Mix

BucketCases
§103 only2 (33%)
§102 only1 (17%)
No statute on record3 (50%)

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
ANGELL, JON E 2 70.7% +21.1%
SULLIVAN, STEPHANIE LAUREN 1 60.9% +38.7%
ZARA, JANE J 1 70.8% +15.9%
VANHORN, ABIGAIL LOUISE 1 46.7% +22.1%
SHIN, DANA H 1 27.2% +27.6%

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
17592182 Methods For The Treatment Of APOC3-Related Diseases And Disorders SHIN, DANA H 33d

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
18048577 RNAi Agents for Inhibiting Expression of Matrix Metalloproteinase 7 (MMP7), Compositions Thereof, and Methods of Use VANHORN, ABIGAIL LOUISE 97d overdue
18178242 LIPID CONJUGATES FOR THE DELIVERY OF THERAPEUTIC AGENTS ZARA, JANE J 31d overdue
18074268 RNAI AGENTS FOR HEPATITIS B VIRUS INFECTION ANGELL, JON E 4d overdue
18181311 RNAi Agents for Inhibiting Expression of DUX4, Compositions Thereof, And Methods of Use SULLIVAN, STEPHANIE LAUREN 12d
17592182 Methods For The Treatment Of APOC3-Related Diseases And Disorders SHIN, DANA H 33d
18026340 METHODS FOR THE REDUCTION OF Z-AAT PROTEIN LEVELS ANGELL, JON E 34d

Top Art Units

Art UnitApps
1637 3
1635 2
1636 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18026340 METHODS FOR THE REDUCTION OF Z-AAT PROTEIN LEVELS ANGELL, JON E 1637 §102 Non-Final OA 34d Pending Mar 14, 2023
18181311 RNAi Agents for Inhibiting Expression of DUX4, Compositions Thereof, And Methods of Use SULLIVAN, STEPHANIE LAUREN 1635 Other Non-Final OA 12d Pending Mar 09, 2023
18178242 LIPID CONJUGATES FOR THE DELIVERY OF THERAPEUTIC AGENTS ZARA, JANE J 1637 Other Non-Final OA 31d overdue Pending Mar 03, 2023
18074268 RNAI AGENTS FOR HEPATITIS B VIRUS INFECTION ANGELL, JON E 1637 §103 Non-Final OA 4d overdue Pending Dec 02, 2022
18048577 RNAi Agents for Inhibiting Expression of Matrix Metalloproteinase 7 (MMP7), Compositions Thereof, and Methods of Use VANHORN, ABIGAIL LOUISE 1636 Other Final Rejection 97d overdue Pending Oct 21, 2022
17592182 Methods For The Treatment Of APOC3-Related Diseases And Disorders SHIN, DANA H 1635 §103 Final Rejection 33d Pending Feb 03, 2022

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