Prosecution Insights
Last updated: October 02, 2026

Examiner: CHOWDHURY, TARIFUR RASHID

Tech Center 2800 • Art Units: 2800 2877 2886

This examiner grants 49% of resolved cases

Analysis

Tarifur Rashid Chowdhury operates in Tech Center 2800 and Art Unit 2800. The examiner has 57 resolved cases, providing a moderate sample size for analysis. The allowance rate is 49.1 percent, indicating a challenging environment for applicants where a minority of the cases result in a grant. This suggests a rigorous examination style or a particularly complex set of technologies within the unit.

Despite the lower allowance rate, the interview lift is a significant 33.3 percent. This high figure indicates that interviews are an exceptionally effective way to overcome hurdles and secure an allowance. Practitioners should prioritize direct communication to improve their chances of success. The median days to allowance is 1061, which is a standard duration for this unit. While the initial allowance rate is modest, the 33.3 percent interview lift suggests that proactive advocacy can lead to a positive outcome within the typical 1061-day timeframe. This data highlights the importance of an active prosecution strategy.

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

Performance Statistics

49.1%
Allow Rate
-18.9% vs TC avg
68
Total Applications
+33.3%
Interview Lift
1061
Avg Prosecution Days
Based on 57 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
20.2%
§102 Novelty
58.4%
§103 Obviousness
16.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18527527 ELONGATED MEMBER, DETECTION SYSTEM, AND MOTION MECHANISM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18815345 MACH-ZEHNDER MODULATOR, ELECTRO-OPTIC MODULATION METHOD, AND OPTICAL TRANSMITTING APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
17429762 SENSOR DEVICE INCLUDING A SENSOR ELEMENT AND A COVER PANEL Non-Final OA Robert Bosch GmbH
18129690 CO-PACKAGING OF PHOTONIC & ELECTRONIC INTEGRATED CIRCUIT DIE Final Rejection Intel Corporation
18714710 PULSED LIGHT GENERATION DEVICE, PULSED LIGHT GENERATION METHOD, AND PROCESSING DEVICE Non-Final OA NIKON CORPORATION
18818885 STRAND MOUNTED TERMINAL FOR A FIBER OPTIC NETWORK AND METHOD OF MAKING SAME Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18620035 OPTICAL DEVICE Final Rejection TDK CORPORATION
17576528 STRONTIUM TETRABORATE AS OPTICAL GLASS MATERIAL Final Rejection KLA Corporation

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