Prosecution Insights
Last updated: October 26, 2026

Christopher A Lamb II, USPTO Patent Examiner

Listed by the USPTO as LAMB II, CHRISTOPHER A

Tech Center 2800 • Art Units: 2882

This examiner grants 72% of resolved cases

Analysis

LAMB II, CHRISTOPHER A is assigned to tech center 2800 and art unit 2882. The profile contains 506 resolved cases, a 72.1% allowance rate, and a median of 967 days to allowance.

Interviews correspond to a 12.5% lift in the recorded allowance outcome. The recurring companies are Seiko Epson Corporation, Coretronic Corporation, and Ricoh Company, Ltd. The leading firms are JCIPRNET, Dority & Manning, P.A. and Seiko Epson, and OLIFF PLC. The interview association supports considering structured examiner engagement.

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

Performance Statistics

72.1%
Allow Rate
+4.1% vs TC avg
544
Total Applications
+12.5%
Interview Lift
967
Avg Prosecution Days
Based on 506 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
25.3%
§102 Novelty
55.0%
§103 Obviousness
16.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18892254 Spatial Light System Non-Final OA Apple Inc.
17741178 DISPLAY DEVICE AND APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18686068 LIGHT SOURCE MODULE AND PROJECTOR Final Rejection SONY GROUP CORPORATION
19087801 PROJECTION METHOD AND PROJECTION DEVICE Non-Final OA SEIKO EPSON CORPORATION
19016092 PROJECTION SYSTEM AND ADJUSTMENT MECHANISM Non-Final OA SEIKO EPSON CORPORATION
18979768 PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18978220 ILLUMINATOR AND PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18971318 CONTROL METHOD, PROJECTOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA SEIKO EPSON CORPORATION
18602821 PROJECTOR Final Rejection SEIKO EPSON CORPORATION
17993177 HEAT DIFFUSER, WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18397485 AERIAL IMAGE DISPLAY APPARATUS Final Rejection Alps Alpine Co., Ltd.
18403911 IMAGE DISPLAY DEVICE, HEAD-UP DISPLAY EQUIPPED WITH IMAGE DISPLAY DEVICE, AND MOVABLE BODY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18970743 COCKPIT SYSTEM INCLUDING OPERATING SYSTEM CONFIGURED TO USE PROJECTOR Non-Final OA HYUNDAI MOBIS CO., LTD.
18210717 METHODS, DEVICES, AND SYSTEMS FOR AUGMENTED REALITY Non-Final OA TENCENT AMERICA LLC
18779652 LIGHT SOURCE DEVICE AND PROJECTION APPARATUS Non-Final OA RICOH COMPANY, LTD.
18416931 LIGHT SOURCE DEVICE AND PROJECTOR APPARATUS Final Rejection RICOH COMPANY, LTD.

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Frequently Asked Questions

What is examiner Christopher A Lamb II's allowance rate?

72.1% of resolved applications examined by Christopher A Lamb II were allowed (506 resolved cases), compared with 72.8% across Art Unit 2882 over the last five years.

Does an interview help with examiner Christopher A Lamb II?

This examiner's interview lift is +12.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher A Lamb II take to allow a patent?

Applications allowed by Christopher A Lamb II took 967 days on average from filing to allowance.

Which art unit does examiner Christopher A Lamb II work in?

Christopher A Lamb II examines applications in Art Unit 2882 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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