Prosecution Insights
Last updated: October 26, 2026

John Curtis Sipes, USPTO Patent Examiner

Listed by the USPTO as SIPES, JOHN CURTIS

Tech Center 2800 • Art Units: 2872

This examiner grants 78% of resolved cases

Analysis

SIPES, JOHN CURTIS is assigned to Tech Center 2800 and art unit 2872. The profile contains 91 resolved cases and an allowance rate of 78.0%. The interview lift is 19.1%, below the allowance rate but still relevant when an application presents issues that may be resolved more efficiently through direct discussion. The median time to allowance is 1174 days, which supports deliberate docket planning.

The listed companies are Platinum Optics Technology Inc., E Ink Holdings Inc., and NIKON Corporation. The listed firms are JCIPRNET, Potomac Law Group, PLLC, and Armis Intellectual Property Law, LLC. The smaller resolved-case record calls for measured interpretation, while the company and firm names help identify the prosecution contexts reflected in the available history.

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

Performance Statistics

78.0%
Allow Rate
+10.0% vs TC avg
152
Total Applications
+19.1%
Interview Lift
1174
Avg Prosecution Days
Based on 91 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
27.2%
§102 Novelty
59.8%
§103 Obviousness
11.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18743785 LIGHT ABSORPTION FILTER, OPTICAL FILTER, MANUFACTURING METHOD FOR OPTICAL FILTER, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, INORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE Non-Final OA FUJIFILM Corporation
19071951 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME Final Rejection CANON KABUSHIKI KAISHA
19050597 OPTICAL FILM INCLUDING INFRARED REFLECTOR AND MULTILAYER REFLECTIVE POLARIZER WITH CRYSTALLINE LOW INDEX LAYERS Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
19079357 DISPLAY DEVICE AND OPTICAL DEVICE Non-Final OA Samsung Display Co., LTD.
18189301 VARIABLE WAVELENGTH INTERFERENCE FILTER Final Rejection SEIKO EPSON CORPORATION
19028532 OPTICAL ELEMENT DRIVE DEVICE Non-Final OA ALPS ALPINE CO., LTD.
18937458 DRIVING MECHANISM Non-Final OA Actutek Corporation
18613626 SELECTIVE WINDOW DARKENING SYSTEM Final Rejection DENSO CORPORATION
19245665 OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL SYSTEM Final Rejection Nikon Corporation
18413408 ZOOM LENS, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM LENS Final Rejection Nikon Corporation
17921820 APPARATUS FOR GENERATING A VIRTUAL IMAGE WITH INTERFERENCE LIGHT SUPPRESSION Non-Final OA Continental Automotive Technologies GmbH
19026913 IMAGE PROJECTION APPARATUS Non-Final OA RICOH COMPANY, LTD.
17371441 METHOD FOR DEPOSITION OF DEPTH-VARYING REFRACTIVE INDEX FILMS Final Rejection Applied Materials, Inc.
19007886 REFLECTION MODULE AND CAMERA MODULE INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
18833539 ANTIREFLECTIVE MEMBER, AND POLARIZING PLATE, IMAGE DISPLAY PANEL, IMAGE DISPLAY DEVICE, AND ANTIREFLECTIVE ARTICLE WHICH USE SAID ANTIREFLECTIVE MEMBER, AND METHOD FOR SELECTING ANTIREFLECTIVE MEMBER Non-Final OA DAI NIPPON PRINTING CO., LTD.
19058631 Optical Structure, Terminal Housing and Terminal Non-Final OA BYD COMPANY LIMITED
18835775 OPTICAL MEMBER PRODUCTION METHOD AND OPTICAL MEMBER Non-Final OA MITSUI CHEMICALS, INC.
18964680 ZOOM LENS AND IMAGING APPARATUS Non-Final OA Tamron Co., Ltd.
18391558 METHOD FOR MANUFACTURING MULTIPLE FILTERS WITH FABRY-PEROT CAVITY STRUCTURE, MULTISPECTRAL TRANSMISSION FILTER ARRAY AND MULTISPECTRAL TRANSMISSION FILTER STRUCTURE Non-Final OA Singapore University of Technology and Design

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Frequently Asked Questions

What is examiner John Curtis Sipes's allowance rate?

78.0% of resolved applications examined by John Curtis Sipes were allowed (91 resolved cases), compared with 64.9% across Art Unit 2872 over the last five years.

Does an interview help with examiner John Curtis Sipes?

This examiner's interview lift is +19.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John Curtis Sipes take to allow a patent?

Applications allowed by John Curtis Sipes took 1,174 days on average from filing to allowance.

Which art unit does examiner John Curtis Sipes work in?

John Curtis Sipes examines applications in Art Unit 2872 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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