Prosecution Insights
Last updated: October 26, 2026

Pradhuman Parihar, USPTO Patent Examiner

Listed by the USPTO as PARIHAR, PRADHUMAN

Tech Center 1700 • Art Units: 1711 1714 1731

This examiner grants 57% of resolved cases

Analysis

This record covers 347 resolved cases in Tech Center 1700 and Art Unit 1711. The allowance rate is 56.8%, and the median time to allowance is 1144 days. Interview lift is 20.7%, showing a positive association that can support interview-based clarification of claim issues.

The leading companies are Ecolab USA Inc., Eli Lilly and Company, and Henkel AG & Co. KGaA. The leading firms are Fredrikson & Byron, P.A., McKee, Voorhees & Sease P.L.C. ATTN: Ecolab Inc, and NOVICK, KIM & LEE, PLLC, dba NKL Law. Practitioners should balance interview opportunities with careful management of the 1144-day median.

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

Performance Statistics

56.8%
Allow Rate
-8.2% vs TC avg
374
Total Applications
+20.7%
Interview Lift
1144
Avg Prosecution Days
Based on 347 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
11.1%
§102 Novelty
56.1%
§103 Obviousness
28.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18383547 GLASS SUBSTRATE AND METHODS OF MAKING THE SAME Non-Final OA CORNING INCORPORATED
18787765 SURFACE CLEAN SYSTEM AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Pradhuman Parihar's allowance rate?

56.8% of resolved applications examined by Pradhuman Parihar were allowed (347 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Pradhuman Parihar?

This examiner's interview lift is +20.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Pradhuman Parihar take to allow a patent?

Applications allowed by Pradhuman Parihar took 1,144 days on average from filing to allowance.

Which art unit does examiner Pradhuman Parihar work in?

Pradhuman Parihar examines applications in Art Unit 1711 in Tech Center 1700 (Chemistry & Materials).

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