Prosecution Insights
Last updated: October 26, 2026

Preet Bakul Patel, USPTO Patent Examiner

Listed by the USPTO as PATEL, PREET BAKUL

Tech Center 2800 • Art Units: 2874

This examiner grants 12% of resolved cases

Performance Statistics

12.5%
Allow Rate
-55.5% vs TC avg
42
Total Applications
-16.7%
Interview Lift
1127
Avg Prosecution Days
Based on 8 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
12.9%
§102 Novelty
59.4%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18333892 SYSTEM AND METHOD FOR DISPLAYING A VIEW OF AN EXTERNAL ENVIRONMENT OF AN AIRCRAFT INSIDE THE AIRCRAFT Final Rejection Airbus SAS
18399494 Comb Laser Source Architectures for Photonic integrated Circuits Non-Final OA Intel Corporation
18030837 CURVED LIGHTGUIDE AND APPARATUS AND METHODS EMPLOYING A CURVED LIGHTGUIDE Non-Final OA University of Rochester
17989181 FIBER OPTIC TERMINAL HAVING ONE OR MORE CONNECTION PORTS FOR RECEIVING FIBER OPTIC CONNECTORS HAVING A LATCHING TRIGGER Non-Final OA Corning Research & Development Corporation
18529322 BILAYER BINARY 2D GRATINGS FOR WAVEGUIDE DISPLAY Non-Final OA Meta Platforms Technologies, LLC
18666517 OPTICAL DEVICES AND METHODS OF MANUFACTURE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Preet Bakul Patel's allowance rate?

12.5% of resolved applications examined by Preet Bakul Patel were allowed (8 resolved cases), compared with 78.9% across Art Unit 2874 over the last five years.

Does an interview help with examiner Preet Bakul Patel?

This examiner's interview lift is -16.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Preet Bakul Patel take to allow a patent?

Applications allowed by Preet Bakul Patel took 1,127 days on average from filing to allowance.

Which art unit does examiner Preet Bakul Patel work in?

Preet Bakul Patel examines applications in Art Unit 2874 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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