Prosecution Insights
Last updated: October 26, 2026

Spencer E Bell, USPTO Patent Examiner

Listed by the USPTO as BELL, SPENCER E

Tech Center 3700 • Art Units: 1711 1714 1718 3723 3772

This examiner grants 63% of resolved cases

Analysis

BELL, Spencer E has resolved 671 cases in Tech Center 3700 and shows a 63.0% allowance rate. The 13.4% interview lift is positive, supporting interviews as a useful supplement to substantive claim analysis. The median time to allowance is 1134 days, so counsel should align interview timing with a realistic plan for extended prosecution.

LG Electronics Inc., Ecolab USA Inc., and Samsung Electronics Co., Ltd. are the leading companies. BIRCH STEWART KOLASCH & BIRCH, LLP, McKee, Voorhees & Sease P.L.C. ATTN: Ecolab Inc, and Anova Law Group PLLC are the leading firms. For art unit 1711, focused technical discussions may improve response efficiency.

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

Performance Statistics

63.0%
Allow Rate
-7.0% vs TC avg
739
Total Applications
+13.4%
Interview Lift
1134
Avg Prosecution Days
Based on 671 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
15.2%
§102 Novelty
54.6%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19036412 DISH WASHER Non-Final OA LG Electronics Inc.
19034002 DETERGENT STORAGE CONTAINER AND METHOD FOR MANUFACTURING THE SAME Final Rejection LG Electronics Inc.
19034038 DETERGENT STORAGE CONTAINER AND METHOD FOR MANUFACTURING THE SAME Final Rejection LG Electronics Inc.
19033965 DETERGENT STORAGE CONTAINER AND METHOD FOR MANUFACTURING THE SAME Final Rejection LG Electronics Inc.
18696877 LAUNDRY TREATING APPARATUS Non-Final OA LG ELECTRONICS INC.
18707124 CLOTHES TREATMENT APPARATUS AND CONTROL METHOD THEREFOR Final Rejection LG Electronics Inc.
18870579 DISHWASHER Non-Final OA LG ELECTRONICS INC.
18916183 CUP WASHER Final Rejection LG ELECTRONICS INC.
18916108 CUP WASHER Final Rejection LG ELECTRONICS INC.
18898135 LAUNDRY TREATING APPARATUS Final Rejection LG ELECTRONICS INC.
18898148 LAUNDRY TREATING APPARATUS Final Rejection LG ELECTRONICS INC.
18896295 LAUNDRY TREATING APPARATUS AND CONTROL METHOD FOR THE SAME Final Rejection LG ELECTRONICS INC.
18715039 LAUNDRY TREATING APPARATUS Final Rejection LG ELECTRONICS INC.
18973465 DISH WASHER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18947342 CLOTHES CARE APPARATUS AND METHOD FOR CONTROLLING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18347103 WASHING MACHINE AND CONTROL METHOD THEREFOR Final Rejection Samsung Electronics Co., Ltd.
18662482 DRAIN CLEANING DEVICE Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18754668 CLEANING APPARATUS Final Rejection SEIKO EPSON CORPORATION
18677925 CLEANING DEVICE AND METHOD FOR EXTERNAL SENSOR Non-Final OA Honda Motor Co., Ltd.
18836402 APPARATUS FOR DRYING AND/OR WASHING LAUNDRY PROVIDED WITH AN AUTONOMOUS FIRE EXTINGUISHING DEVICE Final Rejection HUTCHINSON

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Frequently Asked Questions

What is examiner Spencer E Bell's allowance rate?

63.0% of resolved applications examined by Spencer E Bell were allowed (671 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Spencer E Bell?

This examiner's interview lift is +13.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Spencer E Bell take to allow a patent?

Applications allowed by Spencer E Bell took 1,134 days on average from filing to allowance.

Which art unit does examiner Spencer E Bell work in?

Spencer E Bell examines applications in Art Unit 1711 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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