Prosecution Insights
Last updated: October 04, 2026

Zelin

Technology area: Chemistry & Materials

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

Analysis

Zelin is currently prosecuting patent applications in the Chemistry & Materials technology area. The portfolio features 1 pending office action, suggesting a focused stage of examination for its chemical or material innovations. This single action indicates that the company is currently prioritizing a specific technological advancement within the Chemistry & Materials field.

The prosecution process is streamlined through 1 distinct examiner and 1 distinct art unit. Having 1 distinct examiner means that the company's legal representatives are interacting with a single individual at the USPTO, which can lead to a more consistent and predictable dialogue. The 1 distinct art unit involved further narrows the technical scope of the examination, ensuring that the 1 pending office action is reviewed by a specialized group.

CHERN, CHRISTINA is the busiest examiner for Zelin, with 1 busiest examiner pending office action currently under review. This 1 action is the only pending matter in the portfolio, making CHERN, CHRISTINA the primary figure in the company's current patent office interactions. Success for this portfolio depends on effectively addressing the specific feedback provided by CHERN, CHRISTINA in this 1 busiest examiner pending office action.

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

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.

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
CHERN, CHRISTINA 1 39.1% +41.3%

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
18237922 SUNSHADE CHERN, CHRISTINA 26d

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
18237922 SUNSHADE CHERN, CHRISTINA 26d

Top Art Units

Art UnitApps
1722 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18237922 SUNSHADE CHERN, CHRISTINA 1722 §103§112 Non-Final OA 26d Pending Aug 25, 2023

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