Prosecution Insights
Last updated: October 02, 2026

Examiner: BARUA, PRANESH K

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

This examiner grants 78% of resolved cases

Analysis

Pranesh K. Barua is an examiner in Tech Center 4100, assigned to Art Unit 2635. He has 511 resolved cases, which result in an allowance rate of 77.9 percent. This rate suggests a generally positive environment for applicants seeking patent protection. The median time to allowance is 825 days, indicating a relatively efficient timeline for those cases that are successful.

The data shows an interview lift of 13.2 percent for Barua. This lift provides a boost to the 77.9 percent baseline allowance rate. With 511 resolved cases, the 825 days median pendency is a well-supported metric for managing applicant expectations. Practitioners should consider the 13.2 percent lift as a reason to engage in interviews, as they appear to further enhance the favorable odds of success in Art Unit 2635. The combination of a high allowance rate and a moderate pendency makes this a relatively efficient prosecution environment.

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

Performance Statistics

77.9%
Allow Rate
+17.9% vs TC avg
531
Total Applications
+13.2%
Interview Lift
825
Avg Prosecution Days
Based on 511 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
6.5%
§102 Novelty
62.5%
§103 Obviousness
26.1%
§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.
19101413 OPTICAL COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION METHOD Non-Final OA NTT, Inc.
18865388 COMMUNICATION SYSTEM, ESTIMATION APPARATUS AND ESTIMATION METHOD Non-Final OA NTT, Inc.
18691749 OPTICAL COMMUNICATION SYSTEM, MANAGEMENT CONTROL APPARATUS AND CONTROL SIGNAL TRANSMISSION METHOD Final Rejection 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
18956578 TRANSMISSION DEVICE, INFORMATION TERMINAL, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD Non-Final OA TDK Corporation
18751975 OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER USING OPTICAL TRANSMITTER, AND WAVELENGTH CONTROL METHOD Non-Final OA 1FINITY Inc.

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