Prosecution Insights
Last updated: October 27, 2026

Sara Addisu, USPTO Patent Examiner

Listed by the USPTO as ADDISU, SARA

Tech Center 3700 • Art Units: 3722 3724

This examiner grants 85% of resolved cases

Analysis

Sara Addisu has 816 resolved cases in Tech Center 3700 and Art Unit 3722. The examiner's allowance rate is 85.4 percent. The interview lift is 10.6 percent. The median days to allowance is 1039. These figures reflect a prosecution environment with a high probability of allowance and a benefit from direct examiner interaction.

Top companies include MILWAUKEE ELECTRIC TOOL Corporation, Kyocera Corporation, and Tokyo Electron Limited. Leading firms are HAUPTMAN HAM, LLP, Troutman Pepper Locke LLP, and Ballard Spahr LLP. The 816 resolved cases provide a data set for evaluating the examiner's performance. The 85.4 percent allowance rate and 1039 median days to allowance are benchmarks for practitioners. The 10.6 percent interview lift suggests that interviews are a tool for resolving issues and securing an allowance in Art Unit 3722.

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
844
Total Applications
+10.6%
Interview Lift
1039
Avg Prosecution Days
Based on 816 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
27.3%
§102 Novelty
41.6%
§103 Obviousness
26.5%
§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
18120752 ELECTROSTATIC CHUCK ASSEMBLY AND METHOD OF USING SAME Final Rejection ASM IP Holding B.V.
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
18688815 FORWARD-FACING TWO-SPINDLE LATHE Non-Final OA FUJI CORPORATION
19183966 SUBSTRATE SUPPORT AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18475593 SUBSTRATE PROCESSING APPARATUS AND HOLDING METHOD OF SUBSTRATE Non-Final OA Tokyo Electron Limited
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.

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Frequently Asked Questions

What is examiner Sara Addisu's allowance rate?

85.4% of resolved applications examined by Sara Addisu were allowed (816 resolved cases), compared with 54.2% across Art Unit 3722 over the last five years.

Does an interview help with examiner Sara Addisu?

This examiner's interview lift is +10.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sara Addisu take to allow a patent?

Applications allowed by Sara Addisu took 1,039 days on average from filing to allowance.

Which art unit does examiner Sara Addisu work in?

Sara Addisu examines applications in Art Unit 3722 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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