Prosecution Insights
Last updated: October 25, 2026

Tianrong Yeo

Technology area: Chemistry & Materials

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

Analysis

Tianrong Yeo is active in the Chemistry & Materials technology area. The portfolio currently includes 1 pending office action. This single action represents the current active pursuit of patent protection for their chemical innovations.

The prosecution process is centralized, involving 1 distinct examiner and 1 distinct art unit. This concentration indicates that the technical scope of the filings falls under a single regulatory department. This simplifies the prosecution strategy by focusing on the standards of one specific art unit.

FRITCHMAN, REBECCA M is the busiest examiner, holding 1 busiest examiner pending office action. This examiner is responsible for the only active matter in the portfolio. The immediate future of the patent rights is tied to the review and decisions of this specific examiner.

Managing 1 pending office action allows for concentrated legal resources on a single matter. The focus on 1 distinct art unit allows for a deep understanding of departmental precedents. This streamlined administrative profile simplifies the tracking of prosecution milestones for Tianrong Yeo.

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.

0
Hard (0%)
1
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (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
FRITCHMAN, REBECCA M 1 45.6% +35.4%

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
18043181 DETECTION OF A RELAPSE IN A MULTIPLE SCLEROSIS PATIENT FRITCHMAN, REBECCA M —

Top Art Units

Art UnitApps
1758 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18043181 DETECTION OF A RELAPSE IN A MULTIPLE SCLEROSIS PATIENT FRITCHMAN, REBECCA M 1758 §103 Non-Final OA — Pending Feb 27, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Tianrong Yeo have?

Tianrong Yeo has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Tianrong Yeo applications?

Rebecca M Fritchman has the most, with 1 of Tianrong Yeo's pending office actions.

What technology area are Tianrong Yeo's patent applications in?

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

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