Prosecution Insights
Last updated: October 27, 2026

Kashif Siddiqui, USPTO Patent Examiner

Listed by the USPTO as SIDDIQUI, KASHIF

Tech Center 2600 • Art Units: 2415 2426 2481 2485 2617 2646

This examiner grants 88% of resolved cases

Analysis

SIDDIQUI, KASHIF works in tech center 2600 and art unit 2415. The profile records 1299 resolved cases, an allowance rate of 88.1%, and a median of 805 days to allowance. The 8.5% interview lift is modest relative to the allowance rate as a percentage measure. The 805-day median indicates a comparatively shorter observed path to allowance within the profile’s own timing and outcome measures.

The principal companies are Telefonaktiebolaget LM Ericsson, Apple Inc., and Canon Inc. The firms are Bayes PLLC, Cole Schotz, P.C., and EIP US LLP. The large resolved-case base supports using the examiner’s allowance and timing figures as meaningful historical indicators. Counsel in art unit 2415 can also draw on the recurring applicant and firm names when preparing prosecution strategy.

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

Performance Statistics

88.1%
Allow Rate
+26.1% vs TC avg
1,321
Total Applications
+8.5%
Interview Lift
805
Avg Prosecution Days
Based on 1299 resolved cases, 2023–2026

Rejection Statute Breakdown

7.1%
§101 Eligibility
22.6%
§102 Novelty
48.6%
§103 Obviousness
9.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18916029 CONTROLLABLE CSI-RS DENSITY Non-Final OA TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
18760170 Method and Apparatus for Identifying and Using Radio Resources in a Wireless Communication Network Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18576601 MONITORING WIRELESS DEVICES IN A COMMUNICATION NETWORK Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18836927 SYSTEMS, METHODS, AND DEVICES FOR MAC LAYER INTER-UE COORDINATION (IUC) Non-Final OA Apple Inc.
18895196 NON-CONTIGUOUS CHANNEL ALLOCATION OVER MULTI-CHANNEL WIRELESS NETWORKS Non-Final OA CANON KABUSHIKI KAISHA
18811399 COMMUNICATION METHOD, APPARATUS AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Final Rejection Beijing Xiaomi Mobile Software Co., Ltd.
18902717 METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR ESTIMATION OF DOPPLER FREQUENCIES Non-Final OA InterDigital Patent Holdings, Inc.
18624685 COMMUNICATION WITH RELAY USER EQUIPMENT Non-Final OA Nokia Technologies Oy
18799642 COMMUNICATION METHOD AND MULTILINK DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18761236 METHOD FOR MAINTAINING COMMUNICATION CONNECTION, ELECTRONIC DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Final Rejection GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

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Frequently Asked Questions

What is examiner Kashif Siddiqui's allowance rate?

88.1% of resolved applications examined by Kashif Siddiqui were allowed (1,299 resolved cases), compared with 75.0% across Art Unit 2415 over the last five years.

Does an interview help with examiner Kashif Siddiqui?

This examiner's interview lift is +8.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kashif Siddiqui take to allow a patent?

Applications allowed by Kashif Siddiqui took 805 days on average from filing to allowance.

Which art unit does examiner Kashif Siddiqui work in?

Kashif Siddiqui examines applications in Art Unit 2415 in Tech Center 2600 (Communications).

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