Prosecution Insights
Last updated: October 11, 2026

Rip A Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, RIP A

Tech Center 3700 • Art Units: 1745 1762 1763 1764 1766 1787 1796 3794

This examiner grants 84% of resolved cases

Performance Statistics

83.5%
Allow Rate
+13.5% vs TC avg
1,397
Total Applications
-4.2%
Interview Lift
955
Avg Prosecution Days
Based on 1380 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
25.8%
§102 Novelty
33.7%
§103 Obviousness
24.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18593175 DOUBLE LAYER TUBING FOR IV INFUSION SETS Non-Final OA CareFusion 303, Inc.
18665682 UV/HEVL-FILTERING SILICONE HYDROGEL CONTACT LENSES Non-Final OA Alcon Inc.
18885870 POWDER COATING, COATING AND ARTICLE Non-Final OA DAIKIN INDUSTRIES, LTD.
18446746 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Final Rejection DAIKIN INDUSTRIES, LTD.
18467201 CONDUCTIVE ELASTOMERIC FOAM MATERIALS AND METHODS OF USE Non-Final OA Meta Platforms Technologies, LLC
18395974 METHOD FOR PRODUCING PERFLUORINATED COMPOUND, AND METHOD FOR PRODUCING FLUORINATED POLYMER Non-Final OA AGC INC.
17999086 Hybrid Catalyst Composition, Catalyst Comprising the Same, and Processes for Preparing the Same Non-Final OA HANWHA SOLUTIONS CORPORATION
18567296 SEMICONTINUOUS SUSPENSION POLYMERIZATION OF POLYACRYLATES IN A CAPILLARY REACTOR Non-Final OA Evonik Operations GmbH
18686522 COPOLYMER, PIEZOELECTRIC MATERIAL, PIEZOELECTRIC FILM, AND PIEZOELECTRIC ELEMENT Non-Final OA TDK CORPORATION
18518613 REACTOR APPARATUS, AND VINYL-BASED POLYMER MANUFACTURING METHOD Non-Final OA Shin-Etsu Chemical Co., Ltd.
18576224 COMPOSITION BASED ON (METH)ACRYLATE MONOMERS Non-Final OA Centre National De La Recherche Scientifique
18519762 Guaiazulene-Based Metallocene Catalysts for Olefin Polymerization Non-Final OA ExxonMobil Chemical Patents Inc.
18690740 CARBON DIOXIDE ABSORBER Non-Final OA ZEON CORPORATION
17759298 PRESSURE-SENSITIVE ADHESIVE COMPOSITION Final Rejection ZEON CORPORATION
18572946 Polyethylene composition with improved processability Non-Final OA BOREALIS AG

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Frequently Asked Questions

What is examiner Rip A Lee's allowance rate?

83.5% of resolved applications examined by Rip A Lee were allowed (1,380 resolved cases), compared with 56.5% across Art Unit 1745 over the last five years.

Does an interview help with examiner Rip A Lee?

This examiner's interview lift is -4.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rip A Lee take to allow a patent?

Applications allowed by Rip A Lee took 955 days on average from filing to allowance.

Which art unit does examiner Rip A Lee work in?

Rip A Lee examines applications in Art Unit 1745 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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