Prosecution Insights
Last updated: October 26, 2026

Sam M Refai, USPTO Patent Examiner

Listed by the USPTO as REFAI, SAM M

Tech Center 3600 • Art Units: 3621 3626 3681 3688

This examiner grants 35% of resolved cases

Analysis

REFAI, SAM M works in tech center 3600 and art unit 3621. The profile records 441 resolved cases, a 34.9% allowance rate, and a median of 1317 days to allowance. The interview lift is 6.9%, showing only a limited association between interviews and improved allowance outcomes in the available record.

The leading companies are Integral Ad Science Inc., LG Electronics Inc., and Samsung Electronics Co., Ltd. The listed firms are Byrne Poh LLP, Anova Law Group, PLLC, and BIRCH STEWART KOLASCH & BIRCH, LLP. The allowance rate points to the importance of careful claim drafting, prior-art analysis, and written response development. Given the limited interview lift and 1317-day median, practitioners should also plan for prolonged prosecution rather than relying on an interview to change the trajectory.

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

Performance Statistics

34.9%
Allow Rate
-17.1% vs TC avg
475
Total Applications
+6.9%
Interview Lift
1317
Avg Prosecution Days
Based on 441 resolved cases, 2023–2026

Rejection Statute Breakdown

35.8%
§101 Eligibility
9.8%
§102 Novelty
27.7%
§103 Obviousness
21.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18604663 MARKETPLACE SERVER AND OPERATING METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
19022283 ELECTRONIC APPARATUS AND METHOD FOR CONTROLLING THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19154913 ADVERTISEMENT TRANSMISSION DEVICE, ADVERTISEMENT TRANSMISSION METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
19093496 AUDIO ADVERTISEMENT DELIVERY METHOD, DEVICE, AND SYSTEM Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18588856 SYSTEMS AND METHODS FOR ARTIFICIAL INTELLIGENCE OPTIMIZATION OF DEVELOPING ADVERTISEMENTS Non-Final OA FIDELITY INFORMATION SERVICES, LLC
19001756 METHOD FOR INFORMATION RECOMMENDATION, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Youzhuju Network Technology Co., Ltd.
19048081 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEM Final Rejection Sharp Kabushiki Kaisha
18072938 INFORMATION PROCESSING METHOD, APPARATUS AND DEVICE, AND STORAGE MEDIUM Non-Final OA TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED

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 Sam M Refai's allowance rate?

34.9% of resolved applications examined by Sam M Refai were allowed (441 resolved cases), compared with 25.4% across Art Unit 3621 over the last five years.

Does an interview help with examiner Sam M Refai?

This examiner's interview lift is +6.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sam M Refai take to allow a patent?

Applications allowed by Sam M Refai took 1,317 days on average from filing to allowance.

Which art unit does examiner Sam M Refai work in?

Sam M Refai examines applications in Art Unit 3621 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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