Prosecution Insights
Last updated: October 02, 2026

Singao (Xuzhou) Biotech Co. Ltd.

Technology area: Chemistry & Materials

2 pending office actions • 1 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready

Analysis

Singao (Xuzhou) Biotech Co. Ltd. currently has 2 pending office actions within the Chemistry & Materials technology area. These matters are concentrated within 1 distinct art unit, suggesting a very specific technical focus for the company's current patent applications.

The prosecution is split between 2 distinct examiners. JOSEPH CULLEN MERCHLINSKY is designated as the busiest examiner, currently managing 1 pending office action. This means the pending office actions are distributed equally, with each examiner handling exactly one action.

For practitioners, the use of 1 distinct art unit for the pending office actions indicates that the portfolio is being reviewed by a single specialized group at the patent office. Despite this art unit concentration, the involvement of multiple examiners provides different perspectives on the active cases. This structure allows the company to test its claims against different officials within the same technical division.

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

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
MERCHLINSKY, JOSEPH CULLEN 1 5.9% -6.3%
DEES, NIKKI H 1 21.9% +20.7%

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
18552287 NOVEL SODIUM BUTYRATE PARTICLE AND PREPARATION METHOD THEREFOR MERCHLINSKY, JOSEPH CULLEN —
18271652 PIG RAISING METHOD FOR REDUCING PIG BACK-FAT THICKNESS AND/OR INCREASING LEAN MEAT PERCENTAGE, COMPOSITION, AND USE THEREOF IN PREPARATION OF PIG FEED DEES, NIKKI H —

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
18271652 PIG RAISING METHOD FOR REDUCING PIG BACK-FAT THICKNESS AND/OR INCREASING LEAN MEAT PERCENTAGE, COMPOSITION, AND USE THEREOF IN PREPARATION OF PIG FEED DEES, NIKKI H —

Top Art Units

Art UnitApps
1791 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18552287 NOVEL SODIUM BUTYRATE PARTICLE AND PREPARATION METHOD THEREFOR MERCHLINSKY, JOSEPH CULLEN 1791 §103§112 Final Rejection — Pending Sep 25, 2023
18271652 PIG RAISING METHOD FOR REDUCING PIG BACK-FAT THICKNESS AND/OR INCREASING LEAN MEAT PERCENTAGE, COMPOSITION, AND USE THEREOF IN PREPARATION OF PIG FEED DEES, NIKKI H 1791 §103§112 Non-Final OA — Pending Jul 10, 2023

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