Prosecution Insights
Last updated: October 25, 2026

Xiamen Zeesan Biotech Co. Ltd.

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Xiamen Zeesan Biotech Co. Ltd. currently has 1 pending office action in the Chemistry & Materials technology area. The company's patent activity is restricted to 1 distinct art unit and involves 1 distinct examiner. This indicates a narrow and specialized focus within the chemistry field. For the applicant, this means the entire success of the current portfolio rests on a single thread of interaction within the USPTO. The concentration in a single technology area further emphasizes the specialized nature of these filings.

Brittany I Fisher is the busiest examiner, handling the 1 pending office action. Since there is only 1 distinct examiner and 1 art unit, the prosecution strategy is straightforward. This lack of variety in examiners and art units means the outcome of the current portfolio depends on the interactions with this specific official. Practitioners should prioritize understanding the specific examination history and preferences of this examiner, as there are no other pending matters to provide alternative paths to allowance. Navigating this single relationship is the central task for the company's legal representatives.

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

Portfolio Summary

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

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

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

Industry Mix

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

1
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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
FISHER, BRITTANY I 1 84.5% +12.4%

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
18260547 REAGENT CONTAINER AND OPERATION METHOD THEREFOR, AND REAGENT TREATMENT SYSTEM FISHER, BRITTANY I —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18260547 REAGENT CONTAINER AND OPERATION METHOD THEREFOR, AND REAGENT TREATMENT SYSTEM FISHER, BRITTANY I —

Top Art Units

Art UnitApps
1796 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18260547 REAGENT CONTAINER AND OPERATION METHOD THEREFOR, AND REAGENT TREATMENT SYSTEM FISHER, BRITTANY I 1796 §102§112 Non-Final OA — Pending Aug 18, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Xiamen Zeesan Biotech Co. Ltd. have?

Xiamen Zeesan Biotech Co. Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Xiamen Zeesan Biotech Co. Ltd. applications?

Brittany I Fisher has the most, with 1 of Xiamen Zeesan Biotech Co. Ltd.'s pending office actions.

What technology area are Xiamen Zeesan Biotech Co. Ltd.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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