Prosecution Insights
Last updated: October 04, 2026

A2 Biotherapeutics, Inc.

Technology area: Biotechnology & Pharmaceuticals

4 pending office actions • 4 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

A2 Biotherapeutics, Inc. is currently addressing 4 pending office actions within the Biotechnology & Pharmaceuticals technology area. The workload is distributed across 4 distinct examiners and 4 distinct art units, which reflects a broad administrative spread for the pending matters. Each of the 4 pending office actions is being handled by a different examiner, requiring the company to manage multiple distinct prosecution styles and art unit preferences at once. This decentralized structure suggests that the company's current patent applications cover a variety of specific biotechnological sub-fields.

The busiest examiner for the portfolio is PAULUS, ERIN VIRGINIA, who is assigned 1 busiest examiner pending office action. Since there are 4 distinct examiners for the 4 total actions, the workload is distributed among the examiners. Managing 4 distinct art units requires a coordinated effort to ensure consistency across the portfolio while responding to the unique technical challenges presented by each unit. The presence of multiple examiners means that the prosecution strategy must be highly individualized for each of the pending office actions.

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

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
1
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (1)

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 (25%)
1
Medium (25%)
2
Easy (50%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§112 only2 (50%)
Double-patenting + other1 (25%)
Multi-statute (no §101)1 (25%)

Industry Mix

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

4
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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PAULUS, ERIN VIRGINIA 1 21.1% +93.8%
CANELLA, KAREN A 1 62.2% +32.8%
SPENCE, JENNIFER SUZANNE 1 66.9% +46.0%
TIWARI, VYOMA SHUBHAM 1 31.5% +48.1%

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
18062873 COMPOSITIONS AND METHODS FOR TREATING MESOTHELIN POSITIVE CANCERS SPENCE, JENNIFER SUZANNE 86d overdue
18340435 COMPOSITIONS AND METHODS FOR TREATING HER2 POSITIVE CANCERS PAULUS, ERIN VIRGINIA —

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
18062873 COMPOSITIONS AND METHODS FOR TREATING MESOTHELIN POSITIVE CANCERS SPENCE, JENNIFER SUZANNE 86d overdue
18165623 COMPOSITIONS AND METHODS FOR TREATING EGFR POSITIVE CANCERS CANELLA, KAREN A 46d overdue
17480501 CONTROLLING PROXIMITY OF IMMUNE CELL RECEPTORS TIWARI, VYOMA SHUBHAM 22d
18340435 COMPOSITIONS AND METHODS FOR TREATING HER2 POSITIVE CANCERS PAULUS, ERIN VIRGINIA —

Top Art Units

Art UnitApps
1631 1
1643 1
1633 1
1634 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18340435 COMPOSITIONS AND METHODS FOR TREATING HER2 POSITIVE CANCERS PAULUS, ERIN VIRGINIA 1631 §112 Non-Final OA — Pending Jun 23, 2023
18165623 COMPOSITIONS AND METHODS FOR TREATING EGFR POSITIVE CANCERS CANELLA, KAREN A 1643 §102§103§112DP Final Rejection 46d overdue Pending Feb 07, 2023
18062873 COMPOSITIONS AND METHODS FOR TREATING MESOTHELIN POSITIVE CANCERS SPENCE, JENNIFER SUZANNE 1633 §103§112Other Final Rejection 86d overdue Pending Dec 07, 2022
17480501 CONTROLLING PROXIMITY OF IMMUNE CELL RECEPTORS TIWARI, VYOMA SHUBHAM 1634 §112 Non-Final OA 22d Pending Sep 21, 2021

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