Prosecution Insights
Last updated: October 27, 2026

Mark S Kaucher, USPTO Patent Examiner

Listed by the USPTO as KAUCHER, MARK S

Tech Center 1700 • Art Units: 1746 1764 1796

This examiner grants 72% of resolved cases

Analysis

Mark S. Kaucher works in tech center 1700 and art unit 1746, with 1013 resolved cases. The allowance rate is 72.5%, and the median time to allowance is 1017 days. Interview lift is 14.0%, indicating a positive association between interviews and allowance outcomes, with a smaller measured effect than the overall allowance rate.

The principal companies are LG Chem Ltd., Innopoly Biotech (Hangzhou) Inc., and BASF SE. The principal firms are HSML P.C., Warner Norcross + Judd LLP - IP Group, and WENDEROTH, LIND & PONACK, L.L.P. Practitioners may use interviews to narrow disputed issues while maintaining attention to prosecution timing.

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

Performance Statistics

72.5%
Allow Rate
+7.5% vs TC avg
1,049
Total Applications
+14.0%
Interview Lift
1017
Avg Prosecution Days
Based on 1013 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
23.3%
§102 Novelty
42.9%
§103 Obviousness
20.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18294948 FREE-RADICALLY POLYMERIZABLE COMPOSITION, METHOD OF POLYMERIZING THE SAME, AND POLYMERIZED COMPOSITION Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18249585 PROCESS OF PRODUCING POLYMER DISPERSIONS Non-Final OA BASF SE
18615795 BINDER, AND ANODE AND LITHIUM BATTERY EACH INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18453709 COPOLYMER, MOLDED BODY, EXTRUDED BODY, BLOW MOLDED BODY, TRANSFER MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18683365 CHLORINATED VINYL-CHLORIDE-BASED RESIN, RESIN COMPOSITION FOR MOLDING, AND MOLDED OBJECT Non-Final OA Sekisui Chemical Co., Ltd.
18210242 SHEET CONVEYANCE ROLLER RUBBER COMPOSITION AND SHEET CONVEYANCE ROLLER Final Rejection Sumitomo Rubber Industries, Ltd.
18512901 METHOD OF PRODUCING BLOCK COPOLYMER, AND BLOCK COPOLYMER Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18572410 UTILIZATION OF 1-HEXENE IN MULTI-STAGE POLYOLEFIN PRODUCTION Final Rejection BOREALIS AG
18687582 Method for Preparing Super Absorbent Polymer Non-Final OA LG Chem, Ltd.
18578117 Antibacterial San Resin, Preparation Method Therefor, and Antibacterial ABS Resin Composition Containing Same Final Rejection LG Chem, Ltd.
18035686 RESIN COMPOSITION, ADHESIVE, MULTILAYER BODY, SURFACE PROTECTION FILM, METHOD FOR PRODUCING SURFACE PROTECTION FILM, AND METHOD FOR PROTECTING SURFACE Final Rejection MITSUI CHEMICALS, INC.
18259520 Polyolefin-Based Ionomers and Production Thereof Non-Final OA ExxonMobil Chemical Patents Inc.
18561370 NITRILE GROUP-CONTAINING COPOLYMER RUBBER, RUBBER COMPOSITION AND CROSSLINKED RUBBER Final Rejection ZEON CORPORATION
17920259 PROCESS FOR THE PREPARATION OF BROMINATED COPOLYMERS OF CONJUGATED DIENES AND STYRENIC MONOMERS Non-Final OA LANXESS Corporation

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Frequently Asked Questions

What is examiner Mark S Kaucher's allowance rate?

72.5% of resolved applications examined by Mark S Kaucher were allowed (1,013 resolved cases), compared with 57.1% across Art Unit 1746 over the last five years.

Does an interview help with examiner Mark S Kaucher?

This examiner's interview lift is +14.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mark S Kaucher take to allow a patent?

Applications allowed by Mark S Kaucher took 1,017 days on average from filing to allowance.

Which art unit does examiner Mark S Kaucher work in?

Mark S Kaucher examines applications in Art Unit 1746 in Tech Center 1700 (Chemistry & Materials).

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