Prosecution Insights
Last updated: October 02, 2026

Examiner: KRETZER, CASEY L

Tech Center 2600 • Art Units: 2634 2635 2636 2637

This examiner grants 87% of resolved cases

Analysis

Casey L. Kretzer is an examiner in Art Unit 2634 within Tech Center 2600. The examiner has 723 resolved cases, maintaining a high allowance rate of 86.7 percent. This rate indicates that the examiner frequently grants patents, providing a favorable environment for applicants. The 723 resolved cases offer a robust dataset for practitioners to analyze the examiner's historical patterns and success rates.

The median days to allowance is 739, reflecting a relatively efficient prosecution timeline. This 739-day metric suggests that cases move toward a final resolution at a steady pace. The data also shows an interview lift of 12.7 percent, which represents the added benefit of verbal communication. While the 86.7 percent allowance rate is already high, the 12.7 percent lift indicates that interviews can still provide a meaningful advantage in resolving specific rejections. Practitioners can use these metrics to inform their strategy and manage expectations for applications assigned to this examiner in Tech Center 2600.

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

Performance Statistics

86.8%
Allow Rate
+24.8% vs TC avg
744
Total Applications
+12.7%
Interview Lift
740
Avg Prosecution Days
Based on 725 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
14.4%
§102 Novelty
48.7%
§103 Obviousness
27.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18697601 DIGITAL SIGNAL PROCESSING CIRCUIT, METHOD, RECEIVER, AND COMMUNICATION SYSTEM Final Rejection NEC Corporation
18937770 DATA PROCESSING METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18429105 DEVICE AND METHOD FOR DETERMINING A CLASS FOR AT LEAST A PART OF A DIGITAL IMAGE Final Rejection Robert Bosch GmbH
18418197 TRAINING IMAGE-TO-IMAGE TRANSLATION NEURAL NETWORKS Final Rejection Google LLC
19103591 METHODS AND SYSTEMS FOR TRANSMITTING DATA AND POWER IN EMI-SENSITIVE ENVIRONMENTS Non-Final OA KONINKLIJKE PHILIPS N.V.
18906828 SYSTEMS AND METHODS FOR EFFECTING MAP LAYER UPDATES BASED ON COLLECTED SENSOR DATA Non-Final OA Lyft, Inc.
19001817 SYSTEMS AND METHODS FOR COMBINING FUNDUS IMAGES OF AN EYE Non-Final OA NIKON CORPORATION
18567993 OPTICAL NODE AND OPTICAL TRANSCEIVER Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
19101287 OPTICAL POWER SUPPLY METHOD AND OPTICAL POWER SUPPLY SYSTEM Non-Final OA NTT, Inc.
18877588 OPTICAL RECEIVER AND SIGNAL PROCESSING METHOD Non-Final OA NTT, Inc
18607308 DUAL-POLARIZATION ALIGNMENT Non-Final OA Nokia Solutions and Networks Oy
18940308 PERFORMING NON-MAXIMUM SUPPRESSION IN PARALLEL Non-Final OA NVIDIA Corporation
18433265 SYSTEMS AND METHODS FOR TRAINING MACHINE MODELS WITH AUGMENTED DATA Final Rejection Tesla, Inc.
18867817 FREE SPACE OPTICAL COMMUNICATIONS SYSTEM AND METHOD Non-Final OA Oxford University Innovation Limited
19015940 OPTICAL LINE TERMINAL AND ROUND-TRIP TIME ADJUSTMENT METHOD THEREOF Non-Final OA REALTEK SINGAPORE PRIVATE LIMITED
19008608 METHOD AND APPARATUS FOR GENERATING OPTICAL MODULATION AMPLITUDE SIGNAL ACCORDING TO AVERAGE OUTPUT POWER CONTROL SETTING OF LASER DIODE AND ASSOCIATED METHOD Non-Final OA Airoha Technology Corp.

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