Prosecution Insights
Last updated: October 27, 2026

Nicholas A Ros, USPTO Patent Examiner

Listed by the USPTO as ROS, NICHOLAS A

Tech Center 3700 • Art Units: 1776 3753 3754 3796

This examiner grants 52% of resolved cases

Analysis

ROS, NICHOLAS A works in tech center 3700 and art unit 1776. The profile shows 541 resolved cases, a 52.5% allowance rate, and a median of 890 days to allowance. The 34.2% interview lift is a significant feature of the record and supports considering interviews as an active prosecution tool.

The listed companies are Kohler Co., Kohler (China) Investment Co. Ltd., and Zodiac Pool Systems LLC. The listed firms are Brooks Kushman P.C., Fishman Stewart PLLC, and GREER, BURNS & CRAIN, LTD. The allowance rate suggests that claim strategy remains important, while the median timing and interview measure provide practical guidance for managing the prosecution path.

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

Performance Statistics

52.5%
Allow Rate
-17.5% vs TC avg
575
Total Applications
+34.2%
Interview Lift
890
Avg Prosecution Days
Based on 541 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
15.9%
§102 Novelty
53.6%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18829503 WATER USAGE SELECTOR Final Rejection Kohler Co.
18763034 CHLORINE DIOXIDE BIOFILM PREVENTION DEVICE Final Rejection Kohler Co.
18230927 EFFICIENT FLUSH TOILET Non-Final OA Kohler Co.
17551827 Toilet System Non-Final OA Kohler Co.
17538645 SINK SYSTEM Non-Final OA KOHLER CO.
18946072 WATERWAY SWITCHING ASSEMBLY, TOILET WATER SUPPLY DEVICE, AND FLUSHING METHOD FOR THE TOILET WATER SUPPLY DEVICE Non-Final OA Kohler (China) Investment Co., Ltd.
18940274 BIDET, TOILET COVER PLATE, AND INTELLIGENT TOILET Final Rejection Kohler (China) Investment Co., Ltd.

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Frequently Asked Questions

What is examiner Nicholas A Ros's allowance rate?

52.5% of resolved applications examined by Nicholas A Ros were allowed (541 resolved cases), compared with 57.1% across Art Unit 1776 over the last five years.

Does an interview help with examiner Nicholas A Ros?

This examiner's interview lift is +34.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nicholas A Ros take to allow a patent?

Applications allowed by Nicholas A Ros took 890 days on average from filing to allowance.

Which art unit does examiner Nicholas A Ros work in?

Nicholas A Ros examines applications in Art Unit 1776 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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