Prosecution Insights
Last updated: October 25, 2026

Annexon, Inc.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 2 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

Annexon, Inc. is active in the Biotechnology & Pharmaceuticals technology area with 3 pending office actions. These 3 pending office actions are distributed across 2 distinct art units, indicating a slightly diversified technical focus within the biotechnology sector. For practitioners, the presence of 3 pending office actions in 2 distinct art units means that while some technical overlap may exist, the portfolio is subject to the examination standards of multiple specialized groups. Understanding the specific precedents within these 2 distinct art units is essential for a successful outcome.

The prosecution involves 3 distinct examiners, which means that every pending matter is being reviewed by a different official. ABBAS, SYED JARAR is identified as the busiest examiner, currently handling 1 pending office action. With 3 distinct examiners managing the 3 pending office actions, there is no centralization of the examination process at the individual level. This fragmentation requires practitioners to tailor their advocacy to different sets of examiner preferences and backgrounds. Successfully navigating the 3 pending office actions will depend on the ability to manage these diverse interactions while addressing the 1 pending office action assigned to the busiest examiner.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
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.

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

Rejection Statute Mix

BucketCases
Multi-statute (no §101)2 (67%)
No statute on record1 (33%)

Industry Mix

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

3
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.

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
ABBAS, SYED JARAR 1 25.0% +0.0%
DAHLE, CHUN WU 1 50.2% +51.1%
TAYLOR, LIA ELAN 1 64.2% +29.5%

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
18265380 COMPOSITIONS AND METHODS FOR TREATING OCULAR DISEASES ABBAS, SYED JARAR 44d overdue
17769180 COMPOSITIONS AND METHODS FOR TREATING BLOOD DISORDERS TAYLOR, LIA ELAN —

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18100885 HUMANIZED ANTI-COMPLEMENT FACTOR C1Q ANTIBODIES AND USES THEREOF DAHLE, CHUN WU 15d
17769180 COMPOSITIONS AND METHODS FOR TREATING BLOOD DISORDERS TAYLOR, LIA ELAN —

Top Art Units

Art UnitApps
1641 2
1674 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18265380 COMPOSITIONS AND METHODS FOR TREATING OCULAR DISEASES ABBAS, SYED JARAR 1674 §102§103§112 Non-Final OA 44d overdue Pending Jun 05, 2023
18100885 HUMANIZED ANTI-COMPLEMENT FACTOR C1Q ANTIBODIES AND USES THEREOF DAHLE, CHUN WU 1641 Other Final Rejection 15d Pending Jan 24, 2023
17769180 COMPOSITIONS AND METHODS FOR TREATING BLOOD DISORDERS TAYLOR, LIA ELAN 1641 §103§112Other Non-Final OA — Pending Apr 14, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Annexon, Inc. have?

Annexon, Inc. has 3 pending office actions as of October 2026, spread across 2 art units and 3 examiners.

Which USPTO examiner handles the most Annexon, Inc. applications?

Syed Jarar Abbas has the most, with 1 of Annexon, Inc.'s pending office actions.

What technology area are Annexon, Inc.'s patent applications in?

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

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