Prosecution Insights
Last updated: October 02, 2026

Examiner: MULLER, BRYAN R

Tech Center 3700 • Art Units: 1774 3723 3727 3763 3799

This examiner grants 44% of resolved cases

Analysis

Bryan R. Muller has 955 resolved cases in Tech Center 3700 and Art Unit 1774. The allowance rate pct is 43.8, and the interview lift pct is 30.9. This suggests that interviews are a highly effective way to improve the chances of an allowance. The median days to allowance is 1300.

The 30.9 interview lift pct is a crucial factor for practitioners to consider when facing the 43.8 allowance rate pct. The 1300 days to allowance indicates a moderate timeline for prosecution. With 955 resolved cases, the examiner has extensive experience in Tech Center 3700. Practitioners should use the 30.9 interview lift pct to advocate for their clients.

The 43.8 allowance rate pct suggests that written prosecution alone may be difficult. The 1300 median days to allowance and 955 resolved cases provide a reliable basis for these strategies. In Art Unit 1774, the 30.9 interview lift pct is a key tactical advantage.

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

Performance Statistics

43.8%
Allow Rate
-26.2% vs TC avg
995
Total Applications
+30.9%
Interview Lift
1300
Avg Prosecution Days
Based on 955 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
18.9%
§102 Novelty
47.3%
§103 Obviousness
30.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18577892 CLEANER STATION Final Rejection LG ELECTRONICS INC.
18574533 CLEANER STATION Non-Final OA LG ELECTRONICS INC.
17788927 CLEANING APPARATUS AND CONTROL METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
19317706 HAND VACUUM CLEANER Non-Final OA Omachron Intellectual Property Inc.
18954677 SURFCE CLEANING APPARATUS Non-Final OA Omachron Intellectual Property Inc.
18596585 CONFIGURATION OF A SURFACE CLEANING APPARATUS Final Rejection Omachron Intellectual Property Inc.
18537423 SURFACE CLEANING APPARATUS Final Rejection Omachron Intellectual Property Inc.
18377320 SURFACE CLEANING APPARATUS Non-Final OA Omachron Intellectual Property Inc.
18311088 CONFIGURATION OF A SURFACE CLEANING APPARATUS Non-Final OA OMACHRON INTELLECTUAL PROPERTY INC.
18759831 FLOOR CLEANING ROBOT AND CLEANING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18795568 DUST COLLECTING ATTACHMENT Non-Final OA MAKITA CORPORATION
18407887 Vacuum Cleaner and Cleaning Accessory for a Vacuum Cleaner Final Rejection Black & Decker, Inc.
18622272 VACUUM PRE-SEPARATION DEVICE AND ACCESSORIES Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
19355394 HAND-HELD SURFACE CLEANING DEVICE Final Rejection SharkNinja Operating LLC
18724745 SELF-CLEANING DUST COLLECTION BASE AND DUST COLLECTION SYSTEM Non-Final OA Beijing Roborock Technology Co., Ltd.
18569750 RECYCLING BIN AND CLEANING DEVICE Final Rejection BEIJING ROBOROCK TECHNOLOGY CO., LTD.
17232382 GEARBOX AND INTELLIGENT CLEANING APPARATUS Final Rejection Beijing Roborock Technology Co., Ltd.
17775491 INSTALLATION TOOL AND METHOD FOR A TOILET Final Rejection AS AMERICA, INC.
18215772 METHOD OF OPERATING A FLOOR CLEANING DEVICE AND FLOOR CLEANING DEVICE Non-Final OA Vorwerk & Co. Interholding GmbH
17890331 METHOD OF OPERATING A BASE STATION FOR A CLEANING DEVICE Non-Final OA Vorwerk & Co. Interholding GmbH

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