Prosecution Insights
Last updated: October 27, 2026

Pranesh K Barua, USPTO Patent Examiner

Listed by the USPTO as BARUA, PRANESH K

Tech Center 4100 • Art Units: 2635 2637 2828 2872 4100

This examiner grants 78% of resolved cases

Analysis

BARUA, PRANESH K is assigned to Tech Center 4100 and Art Unit 2635. Across 513 resolved cases, the allowance rate is 78.0%, and the interview lift is 13.1%. The positive interview association supports considering examiner interviews for cases requiring substantive clarification.

The median time to allowance is 826 days. The leading companies are Nippon Telegraph and Telephone Corporation, ZTE Corporation, and Huawei Technologies Co., Ltd. The listed firms are CANTOR COLBURN LLP, Faegre Drinker NTT, and FISH & RICHARDSON P.C. (TC).

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

Performance Statistics

78.0%
Allow Rate
+18.0% vs TC avg
541
Total Applications
+13.1%
Interview Lift
826
Avg Prosecution Days
Based on 513 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
6.7%
§102 Novelty
62.8%
§103 Obviousness
26.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18756182 REGISTRATION SIGNAL SENDING AND RECEPTION METHOD, OPTICAL TRANSMISSION APPARATUS, OPTICAL RECEPTION APPARATUS, AND SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19028887 OPTICAL RECEPTION DEVICE AND OPTICAL RECEPTION METHOD Non-Final OA Fujitsu Limited
18956578 TRANSMISSION DEVICE, INFORMATION TERMINAL, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD Non-Final OA TDK Corporation
19101413 OPTICAL COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION METHOD Non-Final OA NTT, Inc.
18993073 WIRELESS COMMUNICATION SYSTEM, CONTROL APPARATUS, AND CONTROLMETHOD Non-Final OA NTT, Inc.
18996677 REMOTE OPTICAL PATH SWITCHING NODE AND REMOVE OPTICAL PATH SWITCHING METHOD Non-Final OA Nippon Telegraph and Telephone Corporation
18713229 ONU REGISTRATION METHOD, COMMUNICATION METHOD, ONR, OLT, ONU, OPTICAL COMMUNICATION SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA ZTE CORPORATION
18689314 Bandwidth Allocation Method and Apparatus, and Authentication Method and System for Home Network ONU Final Rejection ZTE Corporation
18473898 SINGLE ENDED EAM WITH ELECTRICAL COMBINING Final Rejection Sicily Merger Sub II, Inc.

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Frequently Asked Questions

What is examiner Pranesh K Barua's allowance rate?

78.0% of resolved applications examined by Pranesh K Barua were allowed (513 resolved cases), compared with 90.3% across Art Unit 2635 over the last five years.

Does an interview help with examiner Pranesh K Barua?

This examiner's interview lift is +13.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Pranesh K Barua take to allow a patent?

Applications allowed by Pranesh K Barua took 826 days on average from filing to allowance.

Which art unit does examiner Pranesh K Barua work in?

Pranesh K Barua examines applications in Art Unit 2635 in Tech Center 4100.

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