Prosecution Insights
Last updated: October 26, 2026

Christopher Ray Lamb, USPTO Patent Examiner

Listed by the USPTO as LAMB, CHRISTOPHER RAY

Tech Center 2600 • Art Units: 2621 2622 2627 2688 2694 2695

This examiner grants 52% of resolved cases

Analysis

LAMB, CHRISTOPHER RAY examines cases in tech center 2600 and art unit 2621. Across 709 resolved cases, the allowance rate is 52.3%, and the median time to allowance is 1204 days.

The interview lift is 9.4%, indicating a positive association in the available record. The principal companies are Samsung Electronics Co., Ltd., Sharp Display Technology Corporation, and LG Display Co., Ltd. The leading firms are Nixon & Vanderhye PC, ARENTFOX SCHIFF LLP, and F. CHAU & ASSOCIATES, LLC. Applicants should account for both the allowance outcome and prosecution duration.

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

Performance Statistics

52.3%
Allow Rate
-9.7% vs TC avg
741
Total Applications
+9.4%
Interview Lift
1204
Avg Prosecution Days
Based on 709 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
22.5%
§102 Novelty
56.1%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19389943 ELECTRONIC DEVICE AND METHOD FOR SELECTIVELY DRIVING LIGHT-EMITTING ELEMENTS OF DISPLAY Non-Final OA Samsung Electronics Co., Ltd.
19258190 ELECTRONIC DEVICE AND METHOD FOR CHANGING CIRCUIT CONNECTED TO DISPLAY PANEL Final Rejection Samsung Electronics Co., Ltd.
18905650 DISPLAYING OPTIONS, ASSIGNING NOTIFICATION, IGNORING MESSAGES, AND SIMULTANEOUS USER INTERFACE DISPLAYS IN A MESSAGING APPLICATION Non-Final OA Apple Inc.
18942067 In-Cell Touch Display Device Non-Final OA LG Display Co., Ltd.
19336890 DISPLAY APPARATUS HAVING ARBITRARY SHAPE Final Rejection SAMSUNG DISPLAY CO., LTD.
19027035 DEVICE FOR INTERACTION WITH A USER IN A MOTOR VEHICLE, AND MOTOR VEHICLE Final Rejection AUDI AG
19292378 AUDIO AND VISUAL MODIFICATION Final Rejection Nokia Technologies Oy
19260139 TECHNIQUES FOR CALIBRATING LOCALIZATION PARAMETERS BASED ON PHYSICALLY-IDENTIFIABLE LANDMARKS, AND SYSTEMS, DEVICES AND METHODS OF USING SUCH TECHNIQUES Non-Final OA Meta Platforms Technologies, LLC
19236954 DISPLAY DEVICE, DRIVING METHOD THEREFOR, AND DISPLAY SYSTEM Final Rejection TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

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Frequently Asked Questions

What is examiner Christopher Ray Lamb's allowance rate?

52.3% of resolved applications examined by Christopher Ray Lamb were allowed (709 resolved cases), compared with 64.2% across Art Unit 2621 over the last five years.

Does an interview help with examiner Christopher Ray Lamb?

This examiner's interview lift is +9.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Christopher Ray Lamb took 1,204 days on average from filing to allowance.

Which art unit does examiner Christopher Ray Lamb work in?

Christopher Ray Lamb examines applications in Art Unit 2621 in Tech Center 2600 (Communications).

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