Prosecution Insights
Last updated: October 02, 2026

Examiner: ROS, NICHOLAS A

Tech Center 3700 • Art Units: 1776 3753 3754 3796

This examiner grants 53% of resolved cases

Analysis

Nicholas A. Ros is an examiner in Art Unit 1776 within Tech Center 3700. The examiner has 538 resolved cases and an allowance rate of 52.6 percent. This rate indicates a more rigorous examination process compared to units with higher allowance percentages, as nearly half of the applications do not reach a grant. The 538 resolved cases provide a solid statistical foundation for understanding the examiner's high standards for patentability.

The interview lift is 34.7 percent, which is a significant positive factor. This suggests that applicants who engage in interviews are much more likely to achieve an allowance than those who rely solely on written responses. The 34.7 percent lift is a clear signal that the examiner values the interactive nature of interviews to resolve complex issues. Practitioners should view the interview as a primary tool for overcoming rejections and clarifying the technical merits of their inventions.

The median days to allowance is 888. This timeline is relatively efficient for the tech center, providing a clear expectation for the duration of the prosecution cycle under this examiner's supervision. The 888-day median allows applicants to plan for a relatively fast path to grant if they can successfully navigate the examination requirements. This efficiency is a key consideration for applicants who need to secure patent rights quickly to support their business objectives.

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

Performance Statistics

52.6%
Allow Rate
-17.4% vs TC avg
570
Total Applications
+34.7%
Interview Lift
888
Avg Prosecution Days
Based on 538 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
15.7%
§102 Novelty
53.8%
§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.
18836347 CLIP DEVICE FOR SECURING A SINK TO A WORKTOP Final Rejection Inter IKEA Systems B.V.

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