Prosecution Insights
Last updated: October 26, 2026

William A Harriston, USPTO Patent Examiner

Listed by the USPTO as HARRISTON, WILLIAM A

Tech Center 2800 • Art Units: 2826 2896 2899

This examiner grants 90% of resolved cases

Analysis

HARRISTON, WILLIAM A is assigned to Tech Center 2800 and Art Unit 2826. The profile records 1083 resolved cases, an 89.6% allowance rate, and a median of 819 days to allowance. The substantial record shows allowance as the prevailing outcome, while the median supplies a practical timing reference.

The interview lift is 8.4%, indicating a positive but modest association between interviews and allowance. The leading companies are Samsung Electronics Co., Ltd., Taiwan Semiconductor Manufacturing Company, Ltd., and LG Display Co., Ltd. The listed firms are WPAT, PC, Innovation Counsel LLP, and JCIPRNET. Counsel may use interviews as a supporting tactic within an otherwise favorable prosecution environment.

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

Performance Statistics

89.6%
Allow Rate
+21.6% vs TC avg
1,111
Total Applications
+8.4%
Interview Lift
819
Avg Prosecution Days
Based on 1083 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
33.7%
§102 Novelty
45.7%
§103 Obviousness
5.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18805223 SEMICONDUCTOR PACKAGE INCLUDING A MOLDING LAYER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18757933 SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18760959 Display Device Non-Final OA LG Display Co., Ltd.
18605818 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18767458 FABRICATION OF GATE-ALL-AROUND INTEGRATED CIRCUIT STRUCTURES HAVING ADJACENT ISLAND STRUCTURES Non-Final OA Intel Corporation
18709780 CONFORMAL, CARBON-DOPED SILICON NITRIDE FILMS AND METHODS THEREOF Non-Final OA Lam Research Corporation
18777976 WAFER CHIP SCALE PACKAGE Non-Final OA Texas Instruments Incorporated
18769271 DUAL METAL CAPPED VIA CONTACT STRUCTURES FOR SEMICONDUCTOR DEVICES Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18789349 SEMICONDUCTOR DEVICE AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Co, Ltd.

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Frequently Asked Questions

What is examiner William A Harriston's allowance rate?

89.6% of resolved applications examined by William A Harriston were allowed (1,083 resolved cases), compared with 65.7% across Art Unit 2826 over the last five years.

Does an interview help with examiner William A Harriston?

This examiner's interview lift is +8.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William A Harriston take to allow a patent?

Applications allowed by William A Harriston took 819 days on average from filing to allowance.

Which art unit does examiner William A Harriston work in?

William A Harriston examines applications in Art Unit 2826 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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