Prosecution Insights
Last updated: May 29, 2026

Examiner: DOLETSKI, BLAINE G

Tech Center 1600 • Art Units: 1621 1622 1671 1672 1692

This examiner grants 75% of resolved cases

Performance Statistics

75.4%
Allow Rate
+15.4% vs TC avg
578
Total Applications
+7.7%
Interview Lift
754
Avg Prosecution Days
Based on 552 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
10.3%
§102 Novelty
61.3%
§103 Obviousness
3.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17983829 PRODRUGS OF ALPHA-KETOGLUTARATE, ALPHA-KETOBUTYRATE, ALPHA-KETOISOVALERATE, AND ALPHA-KETOISOHEXANOATE, AND USES THEREOF Non-Final OA The Regents of the University of California
17921997 METHOD FOR BREAKING DOWN MICHAEL ADDUCTS CONTAINED IN A FLUID F AND FORMED DURING THE PREPARATION OF ACRYLIC ACID Non-Final OA BASF SE
17913447 PROCESS FOR INHIBITING THE UNDESIRED FREE-RADICAL POLYMERIZATION OF ACRYLIC ACID PRESENT IN A LIQUID PHASE P Final Rejection BASF SE
17639447 METHOD OF MANUFACTURING DIESTER-BASED COMPOUND Non-Final OA LG CHEM, LTD.
17999744 METHOD FOR RECOVERING MALONATE FROM A FERMENTATION BROTH Non-Final OA CARGILL, INCORPORATED
18709672 Polyol-Derived Compounds Final Rejection Arxada AG
18727107 METHOD FOR PRODUCING TEREPHTHALIC ACID AND TEREPHTHALIC ACID PRODUCED THEREFROM Non-Final OA SK CHEMICALS CO., LTD.
18277092 METHODS FOR PRODUCTION OF AN ESTER OF BUTYRIC ACID Non-Final OA SUPERBREWED FOOD, INC.
17260992 FUNCTIONALITY INDEPENDENT LABELING OF ORGANIC COMPOUNDS Non-Final OA ShanghaiTech University
18627105 SYNTHESIS OF BORONATE ESTER DERIVATIVES AND USES THEREOF Final Rejection Melinta Subsidiary Corp.
18052270 RECYCLED CONTENT TRIACETIN Final Rejection Eastman Chemical Company
17437294 REACTIVE SURFACTANTS Non-Final OA STEPAN COMPANY
18006761 PURIFICATION OF WOOD ACETYLATION FLUID Non-Final OA TITAN WOOD LIMITED
18146472 HIGH-EFFICIENCY CYCLIC PREPARATION METHOD FOR COLUMNAR TAURINE Non-Final OA QIANJIANG YONGAN PHARMACEUTICAL CO., LTD.
17959347 Process for Making Sorbic Acid from Renewable Materials Non-Final OA Nutrinova Netherlands B.V.
17440759 METHODS FOR PREPARING BETA-ALANINE, BETA-ALANINE SALT AND PANTOTHENATE Non-Final OA Guang An Mojia Biotechnology Co., Ltd.

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