Prosecution Insights
Last updated: October 02, 2026

Examiner: MUHAMMAD, KEY

Tech Center 2800 • Art Units: 2872

This examiner grants 64% of resolved cases

Analysis

Examiner Key Muhammad has resolved 100 cases in Art Unit 2872. Within Tech Center 2800, the examiner maintains an allowance rate of 64.0 percent. This 64.0 percent rate is derived from the 100 cases that have reached a final resolution, providing a metric for practitioners to evaluate outcomes.

The median days to allowance is 1242. This 1242 day figure represents the median time from filing to grant for successful applications. Practitioners should consider this 1242 day timeline when planning prosecution steps in Tech Center 2800.

The interview lift is 23.9 percent, which indicates an increase in the probability of allowance when an interview is conducted relative to the 64.0 percent base rate. This 23.9 percent lift suggests that interviews are associated with an increased probability of allowance. The 23.9 percent lift provides a statistical basis for engaging in direct communication with the examiner in Art Unit 2872.

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

Performance Statistics

64.0%
Allow Rate
-4.0% vs TC avg
133
Total Applications
+23.9%
Interview Lift
1242
Avg Prosecution Days
Based on 100 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
27.3%
§102 Novelty
42.6%
§103 Obviousness
28.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17945886 Emitter Array with Integrated Beam-Splitting Prisms Final Rejection Apple Inc.
19056801 MOVABLE DEVICE, IMAGE PROJECTION APPARATUS, HEAD-UP DISPLAY, LASER HEADLAMP, HEAD-MOUNTED DISPLAY, OBJECT RECOGNITION APPARATUS, AND MOVING BODY Non-Final OA RICOH COMPANY, LTD.
18456922 SCANNING OPTICAL DEVICE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
17924504 HIGH COLOR UNIFORMITY DOUBLE MATERIAL DIFFRACTION GRATING COMPRISING STEP-LIKE CAVITIES Final Rejection InterDigital CE Patent Holdings, SAS
17636050 CONTROL DEVICE AND METHOD FOR CONTROLLING A MICROSCOPE, MICROSCOPE AND COMPUTER PROGRAM PRODUCT Non-Final OA LEICA MICROSYSTEMS CMS GMBH
18697643 OPTICAL ROTATOR SYSTEMS AND METHODS Non-Final OA THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
17783768 SPECTACLE LENS Non-Final OA HOYA LENS THAILAND LTD.
18406570 LOCALIZED MIRROR DIMMING CONTROL Final Rejection GM Global Technology Operations LLC
18424850 MULTIDIRECTIONAL OPTICAL ELEMENT Non-Final OA National Central University
18852461 RAPID OPTICAL TISSUE SCANNER AND SCANNING METHOD Non-Final OA GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
18852011 METHOD FOR PRODUCING A LAMINATING COMPONENT OR A HOLOGRAM COMPONENT FOR PRODUCING A COMPOSITE GLASS, AND CORRESPONDING LAMINATING COMPONENTS, HOLOGRAM COMPONENTS, AND COMPOSITE GLASSES Non-Final OA Carl Zeiss Jena GmbH
18395278 OPTICAL ASSEMBLY AND HEAD-UP DISPLAY HAVING A PLURALITY OF IMAGE PLANES Final Rejection Carl Zeiss Jena GmbH
18397788 HOLOGRAPHIC PROJECTOR Final Rejection Dualitas Ltd

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