Prosecution Insights
Last updated: October 26, 2026

Patrick Lawrence Cullen, USPTO Patent Examiner

Listed by the USPTO as CULLEN, PATRICK LAWRENCE

Tech Center 2800 • Art Units: 2899

This examiner grants 86% of resolved cases

Analysis

CULLEN, PATRICK LAWRENCE works in Tech Center 2800 and art unit 2899. His profile includes 21 resolved cases, an allowance rate of 85.7%, and a median of 1276 days to allowance. The interview lift is 25.0%, making interviews a notable consideration in the recorded prosecution outcomes.

The listed companies are Samsung Electronics Co., Ltd., BOE Technology Group Co., Ltd., and Qualcomm Incorporated. The listed firms are CKC & Partners Co., LLC, BUCHANAN, INGERSOLL & ROONEY PC, and CANTOR COLBURN LLP. The limited number of resolved cases makes the profile less extensive than a high-volume record, so practitioners should use the figures as directional indicators while planning claim amendments and interview timing.

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

Performance Statistics

85.7%
Allow Rate
+17.7% vs TC avg
82
Total Applications
+25.0%
Interview Lift
1276
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
10.7%
§102 Novelty
73.4%
§103 Obviousness
15.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18830785 SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18462049 INTEGRATED CIRCUIT DEVICES INCLUDING VIA CAPACITORS Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17860531 INTERPOSER AND ELECTRONIC DEVICE INCLUDING INTERPOSER Final Rejection Samsung Electronics Co., Ltd.
18838402 SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18550153 LIGHT-EMITTING SUBSTRATE AND DISPLAY APPARATUS Final Rejection BOE Technology Group Co., Ltd.
17773106 SUBSTRATE INTEGRATED WITH PASSIVE DEVICES AND MANUFACTURING METHOD THEREOF Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18043857 THERMOCONDUCTIVE MATERIAL AND ELECTRONIC COMPONENT Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18473803 MULTI-LAYER DIELECTRIC GATE SPACER FOR FIN FIELD EFFECT TRANSISTORS (FINFET) AND GATE-ALL-AROUND (GAA) DEVICES Non-Final OA QUALCOMM Incorporated
18168420 INTERPOSER WITH SOLDER RESIST POSTS Non-Final OA QUALCOMM Incorporated
17798100 SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREFOR Final Rejection Mitsubishi Electric Corporation
17813696 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18902251 SEMICONDUCTOR DEVICE ASSEMBLY WITH PRE-REFLOWED SOLDER Non-Final OA Texas Instruments Incorporated
18140375 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES, CORRESPONDING DEVICE AND SYSTEM Non-Final OA STMicroelectronics S.r.l.
17739259 Semiconductor Device Including Air Spacer and Method of Manufacture Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
17647263 SEMICONDUCTOR INTERCONNECT STRUCTURES AND METHODS OF FORMATION Final Rejection Taiwan Semiconductor Manufacturing Company Limited

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Frequently Asked Questions

What is examiner Patrick Lawrence Cullen's allowance rate?

85.7% of resolved applications examined by Patrick Lawrence Cullen were allowed (21 resolved cases), compared with 81.9% across Art Unit 2899 over the last five years.

Does an interview help with examiner Patrick Lawrence Cullen?

This examiner's interview lift is +25.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Patrick Lawrence Cullen take to allow a patent?

Applications allowed by Patrick Lawrence Cullen took 1,276 days on average from filing to allowance.

Which art unit does examiner Patrick Lawrence Cullen work in?

Patrick Lawrence Cullen examines applications in Art Unit 2899 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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