Prosecution Insights
Last updated: October 04, 2026

Shenzhen Evergreen Therapeutics Co. Ltd.

Technology area: Biotechnology & Pharmaceuticals

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready

Analysis

Shenzhen Evergreen Therapeutics Co. Ltd. is currently managing 2 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed across distinct examiners and 2 distinct art units, indicating that the company's patenting efforts cover multiple technical sub-sectors within the biotech field. This distribution requires a strategy that can accommodate the different examination standards of separate units. The applicant must be prepared for varying levels of scrutiny across these different technical domains.

The busiest examiner for the portfolio is DAHLIN, HEATHER RAQUEL, who is responsible for 1 pending office action. Since each of the distinct examiners is handling a pending action, the company's prosecution workload is split. This prevents any single examiner from having an outsized impact on the entire portfolio, but it also means the applicant must navigate the individual styles of distinct examiners simultaneously. This requires a flexible and well-coordinated legal strategy to ensure consistency across the company's intellectual property.

With pending office actions in total, the company faces a moderate level of prosecution activity. The presence of 2 distinct art units suggests that the legal team must be prepared for different prior art landscapes and technical requirements in each case. By addressing the 1 pending office action under DAHLIN, HEATHER RAQUEL and the other action separately, the company can advance its intellectual property interests across different areas of Biotechnology & Pharmaceuticals. This multi-front approach is common for companies with diverse therapeutic pipelines.

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

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
1
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.

0
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 (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)2 (100%)

Industry Mix

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

2
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.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DAHLIN, HEATHER RAQUEL 1 41.1% +47.5%
MATTISON, LORI K 1 14.7% +26.6%

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
17623331 APPLICATION OF PROGESTIN IN PREPARATION OF DRUG INHIBITING CYTOKINE STORM DAHLIN, HEATHER RAQUEL 20d
17240698 Treating Auto-Immune and Auto-Inflammatory Diseases MATTISON, LORI K —

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
17623331 APPLICATION OF PROGESTIN IN PREPARATION OF DRUG INHIBITING CYTOKINE STORM DAHLIN, HEATHER RAQUEL 20d
17240698 Treating Auto-Immune and Auto-Inflammatory Diseases MATTISON, LORI K —

Top Art Units

Art UnitApps
1629 1
1619 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17623331 APPLICATION OF PROGESTIN IN PREPARATION OF DRUG INHIBITING CYTOKINE STORM DAHLIN, HEATHER RAQUEL 1629 §103§112 Final Rejection 20d Pending Dec 28, 2021
17240698 Treating Auto-Immune and Auto-Inflammatory Diseases MATTISON, LORI K 1619 §102§103§112Other Non-Final OA — Pending Apr 26, 2021

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