Prosecution Insights
Last updated: October 25, 2026

Shanghai Singen Pet Nutrition Co. Ltd.

Technology area: Biotechnology & Pharmaceuticals

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

Analysis

Shanghai Singen Pet Nutrition Co. Ltd. has 1 pending office action in the Biotechnology & Pharmaceuticals technology area. This matter is situated within a distinct art unit, indicating a focused technical scope for the company's current patent activity. The prosecution involves 1 distinct examiner, which simplifies the communication and negotiation process for the applicant by providing a single point of contact. This focused approach is typical for portfolios with limited active filings, where the goal is to resolve the outstanding matter efficiently.

The busiest examiner, ZINGARELLI, SANDRA, is currently handling the pending office action. This represents the total volume of pending actions for the company, making this examiner the primary official responsible for the portfolio's current progress. The outcome of the prosecution will depend on the practitioner's ability to address the specific concerns of ZINGARELLI, SANDRA within the 1 distinct art unit. Practitioners should tailor their arguments to the specific preferences and past history of this official within the Biotechnology & Pharmaceuticals field.

Because there is only 1 pending office action, the prosecution strategy is highly concentrated. There are no other active matters to create conflicting priorities or require different technical arguments. The focus is entirely on the Biotechnology & Pharmaceuticals sector as interpreted by the distinct examiner assigned to the case, allowing for a precise and targeted response. Success in this matter will secure the company's position in the pet nutrition sector and provide a foundation for future intellectual property growth.

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

Portfolio Summary

1
Total Pending OAs
0
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.

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
ZINGARELLI, SANDRA 1 6.7% +46.4%

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
18281312 WEISSELLA CONFUSA, CULTURE METHOD THEREFOR AND USE THEREOF ZINGARELLI, SANDRA —

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
18281312 WEISSELLA CONFUSA, CULTURE METHOD THEREFOR AND USE THEREOF ZINGARELLI, SANDRA —

Top Art Units

Art UnitApps
1653 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18281312 WEISSELLA CONFUSA, CULTURE METHOD THEREFOR AND USE THEREOF ZINGARELLI, SANDRA 1653 §102§103§112 Final Rejection — Pending Sep 11, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Shanghai Singen Pet Nutrition Co. Ltd. have?

Shanghai Singen Pet Nutrition 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 Shanghai Singen Pet Nutrition Co. Ltd. applications?

Sandra Zingarelli has the most, with 1 of Shanghai Singen Pet Nutrition Co. Ltd.'s pending office actions.

What technology area are Shanghai Singen Pet Nutrition Co. Ltd.'s patent applications in?

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

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