Prosecution Insights
Last updated: October 27, 2026

Tarifur Rashid Chowdhury, USPTO Patent Examiner

Listed by the USPTO as CHOWDHURY, TARIFUR RASHID

Tech Center 2800 • Art Units: 2800 2877 2886

This examiner grants 48% of resolved cases

Analysis

CHOWDHURY, TARIFUR RASHID works in Tech Center 2800 and Art Unit 2800. The profile reports 59 resolved cases, a 47.5% allowance rate, and a median of 1065 days to allowance. Interview lift is 33.7%, showing a positive association between interviews and allowance outcomes even though the overall allowance rate is lower in this record.

The leading companies are Robert Bosch GmbH, Intel Corporation, and NIKON Corporation. The listed firms are OLIFF PLC, BANNER & WITCOFF, LTD., and Essential Patents Group, LLP. The limited case volume calls for caution in forecasting, but the interview measure supports preparing targeted discussions and using them to address claim and prior-art issues directly.

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

Performance Statistics

47.5%
Allow Rate
-20.5% vs TC avg
77
Total Applications
+33.7%
Interview Lift
1065
Avg Prosecution Days
Based on 59 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
22.2%
§102 Novelty
56.0%
§103 Obviousness
16.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18818885 STRAND MOUNTED TERMINAL FOR A FIBER OPTIC NETWORK AND METHOD OF MAKING SAME Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18031241 PREDICTION METHOD AND PREDICTION DEVICE Final Rejection NIPPON SHOKUBAI CO., LTD.
18560996 OPTICAL LENS HAVING AN ASYMMETRIC MIRROR Non-Final OA Essilor International
18733614 ULTRALOW LOSS INTERLAYER TRANSITION DESIGN FOR INTEGRATED MULTILAYER PHOTONIC PLATFORM Non-Final OA Lumentum Operations LLC
17785455 PLATELET CONCENTRATE CONTROL Final Rejection CYTEGUARD AB

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Tarifur Rashid Chowdhury's allowance rate?

47.5% of resolved applications examined by Tarifur Rashid Chowdhury were allowed (59 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Tarifur Rashid Chowdhury?

This examiner's interview lift is +33.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tarifur Rashid Chowdhury take to allow a patent?

Applications allowed by Tarifur Rashid Chowdhury took 1,065 days on average from filing to allowance.

Which art unit does examiner Tarifur Rashid Chowdhury work in?

Tarifur Rashid Chowdhury examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month