Prosecution Insights
Last updated: October 26, 2026

Vincent Kipkemoi Rono, USPTO Patent Examiner

Listed by the USPTO as RONO, VINCENT KIPKEMOI

Tech Center 2800 • Art Units: 2891

This examiner grants 85% of resolved cases

Analysis

RONO, VINCENT KIPKEMOI works in tech center 2800 and art unit 2891. The record contains 20 resolved cases, an 85.0% allowance rate, and a median of 1397 days to allowance. The 18.8% interview lift indicates a positive association between interviews and allowance outcomes, but the small case history warrants caution in relying on the pattern.

The listed companies are Taiwan Semiconductor Manufacturing Company, Ltd., Sony Group Corporation, and Avago Technologies International Sales Pte. Limited. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, CHIP LAW GROUP, and J.C. PATENTS. The median timing remains relevant for planning, while the limited record supports using these figures as directional rather than conclusive guidance.

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

Performance Statistics

85.0%
Allow Rate
+17.0% vs TC avg
45
Total Applications
+18.8%
Interview Lift
1397
Avg Prosecution Days
Based on 20 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
30.4%
§102 Novelty
59.5%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18844268 SOLID-STATE IMAGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
17875647 SMALLER MODULE BY STACKING Final Rejection Avago Technologies International Sales Pte. Limited
17929584 DUAL SIDED MOLDED PACKAGE WITH VARYING INTERCONNECT PAD SIZES AND UNIFORM EXPOSED SOLDERABLE AREA Non-Final OA Skyworks Solutions, Inc.
18098547 SUBSTRATE MODIFICATION FOR SUPERLATTICE CRITICAL THICKNESS IMPROVEMENT Non-Final OA Applied Materials, Inc.
18178522 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18152938 SEMICONDUCTOR STRUCTURE AND METHOD OF FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
17691359 SEMICONDUCTOR DEVICE STRUCTURE WITH GLUE LAYER AND METHOD FOR FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18738774 SEMICONDUCTOR PACKAGE AND METHOD FOR FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18422057 Spin-Orbit Torque Material and Device, and Use of Delafossite Oxide Thin Film Final Rejection Tsinghua University

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Frequently Asked Questions

What is examiner Vincent Kipkemoi Rono's allowance rate?

85.0% of resolved applications examined by Vincent Kipkemoi Rono were allowed (20 resolved cases), compared with 69.5% across Art Unit 2891 over the last five years.

Does an interview help with examiner Vincent Kipkemoi Rono?

This examiner's interview lift is +18.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vincent Kipkemoi Rono take to allow a patent?

Applications allowed by Vincent Kipkemoi Rono took 1,397 days on average from filing to allowance.

Which art unit does examiner Vincent Kipkemoi Rono work in?

Vincent Kipkemoi Rono examines applications in Art Unit 2891 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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