Prosecution Insights
Last updated: October 02, 2026

Examiner: WITHERSPOON, SIKARL A

Tech Center 1600 • Art Units: 1621 1622 1671 1692

This examiner grants 86% of resolved cases

Performance Statistics

86.2%
Allow Rate
+26.2% vs TC avg
1,674
Total Applications
-20.1%
Interview Lift
639
Avg Prosecution Days
Based on 1661 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
17.1%
§102 Novelty
46.2%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18611248 POLYMERIZABLE COMPOSITION, CURED PRODUCT, WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE Non-Final OA FUJIFILM Corporation
18413176 METHODS OF MAKING METAL-ORGANIC FRAMEWORKS WITH PRE-LIGANDS Non-Final OA ExxonMobil Technology and Engineering Company
17794322 COMPOSITION AND METHOD FOR PRODUCING SAME Non-Final OA DAICEL CORPORATION
18292308 MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPRATION METHOD THEREOF, AND RECYCLED PLASTIC, MOLDED PRODUCT USING THE SAME Non-Final OA LG CHEM, LTD.
18270360 PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF ALPHA-METHYLSTYRENE Final Rejection Covestro Deutschland AG
18270384 PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF BENZENE Final Rejection Covestro Deutschland AG
18703290 DIRECT HYDROGENATION OF METAL CARBONATE AND RELATED SALTS TO METHANOL, METHANE AND METAL HYDROXIDE Non-Final OA UNIVERSITY OF SOUTHERN CALIFORNIA
18416310 PHENOL MIXTURE, EPOXY RESIN, EPOXY RESIN COMPOSITION, CURED PRODUCT, AND ELECTRICAL/ELECTRONIC COMPONENT Non-Final OA MITSUBISHI CHEMICAL CORPORATION
18245904 PROPYLENE HYDROFORMYLATION PROCESSES USING BISPHOSPHINE LIGANDS AS CATALYSTS Final Rejection EASTMAN CHEMICAL COMPANY
18698830 PROCESS FOR ALKYL METHACRYLATE PRODUCTION Non-Final OA Rohm and Haas Company
18722810 FURAN DICARBOXYLIC ACID COMPOUND, METHOD FOR PREPARING FURAN DICARBOXYLIC ACID COMPOUND, POLYESTER, AND MEHTOD FOR PREPARING POLYESTER Non-Final OA KOLON INDUSTRIES, INC.
18291317 CATALYST FOR PREPARING 1,3-CYCLOPENTANEDIOL, METHOD FOR PREPARING 1,3-CYCLOPENTANEDIOL BY USING SAME, AND 1,3-CYCLOPENTANEDIOL PREPARED THEREBY Non-Final OA KOLON INDUSTRIES, INC.
18710199 PROCESS FOR PREPARING ISOCYANATOORGANOSILANES Non-Final OA WACKER CHEMIE AG
18682240 METHOD FOR PRODUCING (METH)ACRYLAMIDE COMPOUND Non-Final OA MITSUI CHEMICALS, INC.
18290892 PREPARATION OF IMINE-FUNCTIONAL ORGANOSILICON COMPOUNDS AND PRIMARY AMINO-FUNCTIONAL ORGANOSILICON COMPOUNDS Non-Final OA Dow Silicones Corporation
18267563 CATALYST SYSTEM Non-Final OA SYMRISE AG
18562959 Branched Technologies Non-Final OA SCION Holdings LLC
18198809 Branched Aldehyde Production Non-Final OA SCION Holdings LLC

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