Prosecution Insights
Last updated: October 27, 2026

Anna Thi Ho, USPTO Patent Examiner

Listed by the USPTO as HO, ANNA THI

Tech Center 3700 • Art Units: 3752

This examiner grants 39% of resolved cases

Analysis

HO, ANNA THI has resolved 61 cases in tech center 3700 and art unit 3752. The allowance rate is 39.3%, while interview lift is 34.6%. The positive interview measure suggests that examiner discussions may improve outcomes, even though the allowance rate indicates a challenging prosecution record.

The median time to allowance is 1257 days. The limited resolved-case volume calls for caution in treating the figures as predictive, but the profile supports deliberate interview planning. The recurring companies are CNH Industrial N.V., Raven Industries Inc., and Kohler Co. The recurring firms are HUSCH BLACKWELL LLP - Kohler, SCHWEGMAN LUNDBERG & WOESSNER, P.A., and THE WEBB LAW FIRM, P.C.

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

Performance Statistics

39.3%
Allow Rate
-30.7% vs TC avg
121
Total Applications
+34.6%
Interview Lift
1257
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
20.9%
§102 Novelty
52.2%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18180597 MULTI-TANK CONTROL SYSTEM AND METHODS Final Rejection DEERE & COMPANY
18882253 NOZZLE ARRANGEMENT FOR THE APPLICATION OF FLUIDS AND SYSTEM FOR THE APPLICATION OF FLUIDS Non-Final OA Illinois Tool Works Inc.
19076901 Spraying device and pressure cleaning device with a spraying device Non-Final OA Andreas Stihl AG & Co. KG
17285893 SPRAYING APPARATUS AND CONTROL METHOD THEREFOR AND DISHWASHER Non-Final OA MIDEA GROUP CO., LTD.
18624630 SPRAY GUN APPLICATOR Non-Final OA CARLISLE CONSTRUCTION MATERIALS, LLC
18576682 APPLICATOR Non-Final OA CARLISLE CONSTRUCTION MATERIALS, LLC
19054991 POINT OF USE HEATING SHOWERHEAD Non-Final OA Kohler Co.
17228305 SPRAY HEAD Non-Final OA Kohler Mira Limited
18005647 SYSTEM AND METHOD FOR ADJUSTING THE CHASSIS HEIGHT OF A MACHINE Non-Final OA AGCO Corporation
18212581 SYSTEM AND METHOD FOR AN AGRICULTURAL APPLICATOR Non-Final OA CNH Industrial America LLC
18076878 SYSTEM AND METHOD FOR AN AGRICULTURAL APPLICATOR Final Rejection CNH Industrial America LLC
17227699 SYSTEM AND METHOD TO MONITOR NOZZLE SPRAY QUALITY Non-Final OA CNH Industrial Canada, Ltd.
18133928 SYSTEMS AND METHODS FOR AUTOMATIC REMOTE TESTING OF A FIRE SYSTEM PRESSURE SWITCH Final Rejection Potter Electric Signal Company, LLC
17252264 FRAGRANCE DELIVERY DEVICE Non-Final OA Firmenich SA

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Frequently Asked Questions

What is examiner Anna Thi Ho's allowance rate?

39.3% of resolved applications examined by Anna Thi Ho were allowed (61 resolved cases), compared with 48.7% across Art Unit 3752 over the last five years.

Does an interview help with examiner Anna Thi Ho?

This examiner's interview lift is +34.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Anna Thi Ho take to allow a patent?

Applications allowed by Anna Thi Ho took 1,257 days on average from filing to allowance.

Which art unit does examiner Anna Thi Ho work in?

Anna Thi Ho examines applications in Art Unit 3752 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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