Prosecution Insights
Last updated: October 26, 2026

Soorena Kefayati, USPTO Patent Examiner

Listed by the USPTO as KEFAYATI, SOORENA

Tech Center 3700 • Art Units: 2884 3761 3799

This examiner grants 84% of resolved cases

Analysis

KEFAYATI, SOORENA is a USPTO patent examiner in tech center 3700 and art unit 2884. The profile includes 429 resolved cases, an allowance rate of 83.9%, and a median of 973 days to allowance. Interview lift is 7.3%, so the recorded allowance outcome appears less dependent on measurable interview effects than on the written prosecution record.

Konica Minolta Inc., Samsung Electronics Co., Ltd., and Stryker Corporation are the leading companies in the docket. The leading firms are LUCAS & MERCANTI, LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and CANTOR COLBURN LLP. Practitioners should preserve a clear written record and use interviews for targeted clarification, while allowing the relatively high allowance rate to inform filing and response expectations.

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

Performance Statistics

83.9%
Allow Rate
+13.9% vs TC avg
462
Total Applications
+7.3%
Interview Lift
973
Avg Prosecution Days
Based on 429 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
18.6%
§102 Novelty
44.3%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18939687 X-RAY ANALYSIS APPARATUS, ANALYSIS METHOD, AND COMPUTER PROGRAM PRODUCT Non-Final OA Samsung Electronics Co, Ltd.
18937752 Multi-Directional X-Ray Imaging System Non-Final OA Stryker Corporation
19015619 AUTOMATICALLY DETERMINING AN OPERATION MODE FOR AN X-RAY IMAGING SYSTEM Non-Final OA Siemens Healthineers AG
18873599 POSITRONIUM LIFETIME IMAGE RECONSTRUCTION Final Rejection The Regents of the University of California
18726285 DETERMINATION METHOD AND SUBSTRATE PROCESSING APPARATUS Final Rejection TOKYO ELECTRON LIMITED
18438852 METHOD FOR DETERMINING MICROSTRUCTURAL DETERIORATION AND REMAINING LIFE OF A HARDENED METAL COMPONENT Final Rejection AKTIEBOLAGET SKF
18830876 METHOD OF MEASURING MOISTURE CONTENT OF LIGNOCELLULOSIC BIOMASS AND SAMPLE COMPRESSOR FOR MEASURING SAME Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18873382 SEMICONDUCTOR CHARGED PARTICLE DETECTOR AND METHODS THEREOF Non-Final OA ASML Netherlands B.V.

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Frequently Asked Questions

What is examiner Soorena Kefayati's allowance rate?

83.9% of resolved applications examined by Soorena Kefayati were allowed (429 resolved cases), compared with 73.0% across Art Unit 2884 over the last five years.

Does an interview help with examiner Soorena Kefayati?

This examiner's interview lift is +7.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Soorena Kefayati take to allow a patent?

Applications allowed by Soorena Kefayati took 973 days on average from filing to allowance.

Which art unit does examiner Soorena Kefayati work in?

Soorena Kefayati examines applications in Art Unit 2884 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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