Prosecution Insights
Last updated: October 02, 2026

Examiner: ADDISU, SARA

Tech Center 3700 • Art Units: 3722 3724

This examiner grants 85% of resolved cases

Analysis

Sara Addisu is an examiner in Tech Center 3700 and Art Unit 3722, with 813 resolved cases. The examiner maintains an allowance rate of 85.4%, which indicates a high likelihood of success for the 813 cases in her record. This 85.4% rate suggests that a large majority of applications reaching a final resolution result in an allowance. This provides a positive signal for practitioners filing in this specific art unit. The volume of 813 cases offers a reliable basis for these metrics.

The interview lift is 10.7%, suggesting that conducting an interview has a clear positive impact on the probability of allowance. This 10.7% lift indicates that direct communication is an effective strategy for overcoming rejections. The median days to allowance is 1040, establishing a clear timeframe for successful prosecution. With a median of 1040 days, applicants can anticipate a standard duration for the 85.4% of cases that are allowed. This 1040-day figure is a key data point for planning.

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

Performance Statistics

85.4%
Allow Rate
+15.4% vs TC avg
831
Total Applications
+10.7%
Interview Lift
1040
Avg Prosecution Days
Based on 813 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
27.3%
§102 Novelty
42.1%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18892761 CHUCK FOR WAFER BONDING DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19031159 CHUCK ASSEMBLY FOR A ROTARY POWER TOOL Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18415867 BIT HOLDER Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
19021175 END MILL AND METHOD OF MANUFACTURING END MILL Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
19107024 CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT Non-Final OA KYOCERA CORPORATION
18995148 CUTTING TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT Non-Final OA KYOCERA CORPORATION
18710614 CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT Non-Final OA KYOCERA CORPORATION
18688815 FORWARD-FACING TWO-SPINDLE LATHE Non-Final OA FUJI CORPORATION
18099210 SUBSTRATE SUPPORT CARRIER HAVING MULTIPLE CERAMIC DISCS Non-Final OA Applied Materials, Inc.
18583859 WORKPIECE SUPPORT, MACHINE TOOL, AND METHOD OF USING MACHINE TOOL Non-Final OA Yamazaki Mazak Corporation
18689099 MACHINE TOOL Non-Final OA DMG MORI CO., LTD.
18846830 SUPERHARD CUTTING ELEMENTS, CUTTING TOOLS INCLUDING THE SAME, AND METHODS OF USING THE SAME Non-Final OA US Synthetic Corporation
19075614 HYDRAULIC EXPANSION CHUCK Non-Final OA Gühring KG
17853306 SHANK AND CUTTING TOOL HAVING THE SHANK Final Rejection TUNGALOY CORPORATION
18283333 TURNING TOOL Final Rejection MITSUBISHI MATERIALS CORPORATION
18485570 MACHINE TOOL SYSTEM AND METHOD OF CONTROLLING MACHINE TOOL SYSTEM Final Rejection STAR MICRONICS CO., LTD.
18996560 END MILL Non-Final OA MOLDINO Tool Engineering, Ltd.

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