Prosecution Insights
Last updated: October 27, 2026

David R Sample, USPTO Patent Examiner

Listed by the USPTO as SAMPLE, DAVID R

Tech Center 3700 • Art Units: 1712 1731 1741 1759 1783 1784 1787 1794 1797 3722

This examiner grants 80% of resolved cases

Analysis

SAMPLE, DAVID R is assigned to Tech Center 3700 and Art Unit 1712. The record includes 666 resolved cases and a 79.9% allowance rate. The 1022-day median to allowance shows that a favorable outcome may still require sustained prosecution management, including timely responses and careful decisions about claim scope.

The 10.2% interview lift is positive but limited. Practitioners may use interviews to clarify a defined issue while maintaining a complete written record of the substantive distinctions. The principal companies are Schott AG, Nippon Electric Glass Co., Ltd., and Shin-Etsu Chemical Co., Ltd. The associated firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., OLIFF PLC, and Ruggiero McAllister & McMahon LLC.

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

Performance Statistics

79.9%
Allow Rate
+9.9% vs TC avg
694
Total Applications
+10.2%
Interview Lift
1022
Avg Prosecution Days
Based on 666 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
23.9%
§102 Novelty
41.4%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18631432 INFRARED-REFLECTIVE COATINGS Non-Final OA Rolls-Royce plc
18091028 ULTRATHIN LAMINATED GLASS AND GLASS STIFFENERS FOR CORELESS PACKAGES Final Rejection INTEL CORPORATION
18291196 METHOD FOR PRODUCING A GROWTH SUBSTRATE AND GROWTH SUBSTRATE Final Rejection ams-OSRAM International GmbH
18782719 GLASS-BASED ARTICLES WITH IMPROVED FRACTURE RESISTANCE Non-Final OA CORNING INCORPORATED
18300087 GLASS ELEMENT WITH STRUCTURED WALL AND METHOD FOR THE PRODUCTION THEREOF Final Rejection SCHOTT AG
17931066 CHEMICALLY STRENGTHENED GLASS SHEET AND METHOD FOR ITS PRODUCTION Non-Final OA SCHOTT AG
18859300 REINFORCED GLASS PLATE, METHOD FOR MANUFACTURING REINFORCED GLASS PLATE, AND GLASS PLATE TO BE REINFORCED Non-Final OA NIPPON ELECTRIC GLASS CO., LTD.
18273657 STRENGTHENED GLASS SHEET AND MANUFACTURING METHOD THEREFOR Non-Final OA Nippon Electric Glass Co., Ltd.
18836152 UNDERLYING SUBSTRATE, SINGLE CRYSTAL DIAMOND LAMINATE SUBSTRATE AND METHOD FOR PRODUCING THEM Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18724824 HIGH-CHARACTERISTIC EPITAXIAL GROWTH SUBSTRATE AND METHOD FOR MANUFACTURING SAME Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18659387 CHEMICALLY STRENGTHENED GLASS AND PRODUCTION METHOD FOR CHEMICALLY STRENGTHENED GLASS Final Rejection AGC Inc.
18840578 LAMINATED GLASS Non-Final OA SAINT-GOBAIN GLASS FRANCE
18754148 COATINGS FOR ENHANCEMENT OF PROPERTIES AND PERFORMANCE OF SUBSTRATE ARTICLES AND APPARATUS Non-Final OA ENTEGRIS, INC.
18794616 PRODUCTION METHOD FOR NITRIDE CRYSTAL SUBSTRATE, AND PEELED INTERMEDIATE Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED

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Frequently Asked Questions

What is examiner David R Sample's allowance rate?

79.9% of resolved applications examined by David R Sample were allowed (666 resolved cases), compared with 43.3% across Art Unit 1712 over the last five years.

Does an interview help with examiner David R Sample?

This examiner's interview lift is +10.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David R Sample take to allow a patent?

Applications allowed by David R Sample took 1,022 days on average from filing to allowance.

Which art unit does examiner David R Sample work in?

David R Sample examines applications in Art Unit 1712 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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