Prosecution Insights
Last updated: October 27, 2026

Bigyan Nmn Bhattachan, USPTO Patent Examiner

Listed by the USPTO as BHATTACHAN, BIGYAN NMN

Tech Center 3700 • Art Units: 3763

This examiner grants 0% of resolved cases

Analysis

BHATTACHAN, BIGYAN NMN has 1 resolved case in technology center 3700 and art unit 3763. The allowance rate is 0.0%, and the median time to allowance is 257 days.

Interview lift is 0.0%, providing no recorded interview association in the single case. The listed companies are Mitsubishi Electric Corporation, BASF SE, and Benteler Automobiltechnik GmbH. Because the record contains only one resolved case, it offers limited support for broader prosecution predictions.

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

Performance Statistics

0.0%
Allow Rate
-70.0% vs TC avg
20
Total Applications
+0.0%
Interview Lift
257
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.3%
§102 Novelty
62.8%
§103 Obviousness
11.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18854980 HEAT EXCHANGER AND AIR-CONDITIONING APPARATUS INCLUDING THE SAME Non-Final OA Mitsubishi Electric Corporation
18941258 HEAT STORAGE SYSTEM AND PROCESS FOR OPERATING THE HEAT STORAGE SYSTEM Non-Final OA BASF SE
18814636 SERVER, LIQUID COOLING SYSTEM AND LEAKAGE PROTECTION DEVICE THEREOF Final Rejection SHENZHEN ENVICOOL TECHNOLOGY CO., LTD.

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Frequently Asked Questions

What is examiner Bigyan Nmn Bhattachan's allowance rate?

0.0% of resolved applications examined by Bigyan Nmn Bhattachan were allowed (1 resolved cases), compared with 60.3% across Art Unit 3763 over the last five years.

Does an interview help with examiner Bigyan Nmn Bhattachan?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bigyan Nmn Bhattachan take to allow a patent?

Applications allowed by Bigyan Nmn Bhattachan took 257 days on average from filing to allowance.

Which art unit does examiner Bigyan Nmn Bhattachan work in?

Bigyan Nmn Bhattachan examines applications in Art Unit 3763 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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