Prosecution Insights
Last updated: October 26, 2026

Phirin Sam, USPTO Patent Examiner

Listed by the USPTO as SAM, PHIRIN

Tech Center 2600 • Art Units: 2419 2476 2619

This examiner grants 90% of resolved cases

Analysis

SAM, PHIRIN is assigned to Tech Center 2600 and Art Unit 2419. The profile contains 1036 resolved cases and a 90.3% allowance rate. The large resolved-case record gives the allowance result substantial context. The 979-day median to allowance indicates that favorable outcomes may still require careful prosecution management and timely decisions about amendments or continuation practice.

Interviews show a 6.1% lift in allowance outcomes, a modest positive association. Practitioners may use interviews selectively when a specific issue can be resolved, while relying on thorough written responses for the principal prosecution record. The leading companies are Huawei Technologies Co., Ltd., Nippon Telegraph and Telephone Corporation, and Nokia Corporation. Listed firms include Barta Jones, PLLC, Bayes PLLC, and Harrity & Harrity, LLP \ Qualcomm.

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

Performance Statistics

90.3%
Allow Rate
+28.3% vs TC avg
1,058
Total Applications
+6.1%
Interview Lift
979
Avg Prosecution Days
Based on 1036 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
21.8%
§102 Novelty
55.6%
§103 Obviousness
4.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18269979 MAC CE SIGNALING FOR DOWNLINK AND UPLINK TCI STATE ACTIVATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18898456 METHOD AND APPARATUS FOR REFERENCE SIGNAL CONFIGURATION IN WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18999795 COMMUNICATION METHOD AND DEVICE IN WIRELESS LOCAL AREA NETWORK Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18759351 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18903325 INTERFERENCE PREDICTION EVENTS Non-Final OA QUALCOMM Incorporated
18728389 TERMINAL AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
18992651 PROTOCOL RELAY DEVICE, PROTOCOL RELAY SYSTEM, PROTOCOL RELAY METHOD, AND PROTOCOL RELAY PROGRAM Non-Final OA Nippon Telegraph and Telephone Corporation
18822975 METHOD FOR SIDELINK TRANSMISSION, AND DEVICE AND MEDIUM Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18795600 METHOD AND APPARATUS FOR PROACTIVE COMMUNICATION OF RESOURCE MAPPINGS TO NETWORK ELEMENT IMPLEMENTATIONS FOR PERFORMING A TASK Non-Final OA Nokia Technologies Oy
18795533 PHYSICAL RANDOM ACCESS CHANNEL OCCASION DETERMINATION FOR MULTIPLE PHYSICAL RANDOM ACCESS CHANNEL TRANSMISSIONS Non-Final OA Nokia Technologies Oy
18827445 METHOD AND APPARATUS FOR QUASI COLOCATION REFERENCE SIGNAL DETERMINATION, AND STORAGE MEDIUM Non-Final OA ZTE CORPORATION

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Frequently Asked Questions

What is examiner Phirin Sam's allowance rate?

90.3% of resolved applications examined by Phirin Sam were allowed (1,036 resolved cases), compared with 77.3% across Art Unit 2419 over the last five years.

Does an interview help with examiner Phirin Sam?

This examiner's interview lift is +6.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phirin Sam take to allow a patent?

Applications allowed by Phirin Sam took 979 days on average from filing to allowance.

Which art unit does examiner Phirin Sam work in?

Phirin Sam examines applications in Art Unit 2419 in Tech Center 2600 (Communications).

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