Prosecution Insights
Last updated: October 02, 2026

Examiner: BUTCHER, ROBERT T

Tech Center 1700 • Art Units: 1761 1762 1763 1764 1768

This examiner grants 71% of resolved cases

Analysis

Robert T. Butcher is an examiner in Tech Center 1700 and Art Unit 1761. He has 973 resolved cases. His allowance rate is 71.1 percent. This 71.1 percent rate indicates the likelihood of a grant for applications assigned to his docket in Art Unit 1761.

The interview lift for this examiner is 17.0 percent. This 17.0 percent lift suggests that interviews are a productive way to advance prosecution and increase the chances of a grant. For the 973 resolved cases, practitioners should consider the 17.0 percent lift as a tool for resolving rejections and clarifying technical points.

The median days to allowance is 947. This 947 day figure represents the typical duration of the prosecution process from filing to grant. The 947 day median provides a benchmark for pendency in Tech Center 1700. Applicants can use the 71.1 percent allowance rate and the 947 day median to plan their prosecution strategy effectively.

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

Performance Statistics

71.1%
Allow Rate
+6.1% vs TC avg
1,022
Total Applications
+17.0%
Interview Lift
947
Avg Prosecution Days
Based on 973 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
10.4%
§102 Novelty
53.1%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18682202 Curable Composition Non-Final OA LG Chem, Ltd.
18269358 Polypropylene Resin Composition and Method for Preparing the Same Final Rejection LG Chem, Ltd.
18348262 CURABLE COMPOSITIONS WITH CROSSLINKERS FOR ADDITIVE MANUFACTURING Final Rejection Align Technology, Inc.
18270772 STABILIZING A SHAPED POLYMER ARTICLE AGAINST DEGRADATION INDUCED BY ARTIFICIAL UV-C LIGHT Non-Final OA BASF SE
18738466 CURABLE (METH)ACRYLATE COMPOSITIONS Non-Final OA Henkel AG & Co. KGaA
18269401 DENTAL COMPOSITION Final Rejection Kuraray Noritake Dental Inc.
18553226 FLUOROPOLYMER COMPOSITIONS COMPRISING FLUOROPOLYMER WITH POLYMERIZED UNSATURATED FLUORINATED ALKYL ETHER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18552261 FLUOROPOLYMER COMPOSITIONS COMPRISING AMORPHOUS FLUOROPOLYMER AND CRYSTALLINE FLUOROPOLYMER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18633901 MEDICAL RUBBER COMPOSITION AND MEDICAL RUBBER PRODUCT Non-Final OA Sumitomo Rubber Industries, Ltd.
16644017 BIOCOMPATIBLE POLYMER POWDERS FOR ADDITIVE MANUFACTURING Non-Final OA Evonik Operations GmbH
18558852 COMPOSITIONS BASED ON POLYAMIDES AND GLASS FIBERS AND USE THEREOF IN THE FIELDS OF SANITATION AND WATER MANAGEMENT Non-Final OA ARKEMA FRANCE
18706202 METHOD FOR PRODUCING FLAME RETARDANT POLYCARBONATE RESIN COMPOSITION PELLETS Non-Final OA Mitsubishi Chemical Corporation
18869532 Thermoplastic Compositions Having High Metal Bonding Force for NMT Applications Final Rejection SHPP GLOBAL TECHNOLOGIES B.V.
18570777 Electrically Conductive Compositions Including Carbon Fiber-Filled Semi-Crystalline Polymers Non-Final OA SHPP GLOBAL TECHNOLOGIES B.V.
18569819 ADDITION-CURABLE SILICONE RUBBER COMPOSITION AND SILICONE RUBBER CURED MATERIAL Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18524375 FILLER COMPOSITION, COMPOSITE MATERIAL AND COMPOSITE MATERIAL LAYER WITH THERMAL BARRIER PROPERTIES Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18683626 LATEX COMPOSITION AND DIP-MOLDED BODY Non-Final OA ZEON CORPORATION
18683612 PHOTOCURABLE INKJET PRINTING INK COMPOSITION Non-Final OA SAKATA INX CORPORATION
18689447 RELEASE COATING COMPOSITION Non-Final OA Dow Silicones Corporation
18684744 HIGH MELT FLOW POLYPROPYLENE COMPOSITION Non-Final OA BOREALIS AG
18579043 Polyolefin Composition Comprising Polypropylene Homopolymer and Recycled Plastic Material Non-Final OA Borealis AG
17788419 POLYMER COMPOSITION FOR FILMS HAVING IMPROVED MECHANICAL PROPERTIES AND DEGRADABILITY Non-Final OA NOVAMONT S.P.A.

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