Prosecution Insights
Last updated: October 02, 2026

Examiner: CHRISTY, KATHERINE A

Tech Center 3700 • Art Units: 1712 1715 1784 1787 2834 3795

This examiner grants 75% of resolved cases

Analysis

Katherine A. Christy serves in Art Unit 1712 of Tech Center 3700 and has 358 resolved cases. The allowance rate is 75.1 percent. This percentage reflects the frequency of grants within the examiner's portfolio. The median days to allowance is 897, which measures the time from the initial filing to the final issuance.

The interview lift is 34.9 percent. This figure indicates a significant increase in the probability of success for cases that include an interview. Practitioners can use this 34.9 percent lift to evaluate the impact of oral advocacy. The 358 cases provide the statistical grounding for these observations in Art Unit 1712.

The 897 median days to allowance acts as a guide for prosecution timelines in Tech Center 3700. With an allowance rate of 75.1 percent, the data shows the frequency of successful outcomes. These metrics offer a clear perspective on the examiner's historical performance. The record of resolved cases helps in understanding the procedural environment.

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

Performance Statistics

75.1%
Allow Rate
+5.1% vs TC avg
390
Total Applications
+34.9%
Interview Lift
897
Avg Prosecution Days
Based on 358 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
10.5%
§102 Novelty
53.8%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18476350 SINTERED METAL BODY AND METHOD FOR PRODUCING SINTERED METAL BODY Final Rejection SEIKO EPSON CORPORATION
19066821 EBC WITH IMPROVED TGO AND SILICON-BASED BONDCOAT Non-Final OA General Electric Company
18994758 STEEL SHEET FOR HOT PRESSING, HOT-PRESSED MEMBER, AND HOT-PRESSED MEMBER PRODUCTION METHOD Non-Final OA JFE STEEL CORPORATION
18873096 TEMPER-PASSED, HOT-DIPPED STEEL SHEET Non-Final OA ThyssenKrupp Steel Europe AG
18696630 METHOD FOR TEMPER ROLLING A STEEL SHEET, TEMPER-ROLLED STEEL SHEET AND COMPONENT MANUFACTURED THEREFROM Non-Final OA Thyssenkrupp Steel Europe AG
18879996 METAL NONWOVEN FABRIC AND ELECTRODE COMPRISING SAME Non-Final OA MITSUI MINING & SMELTING CO., LTD.
18543142 MEDICAL DEVICES WITH CONSISTENT SURFACE FEATURES Final Rejection KARL STORZ Imaging, Inc.
18261893 DYNAMIC HVPE OF COMPOSITIONALLY GRADED BUFFER LAYERS Final Rejection Alliance for Energy Innovation, LLC
18780569 SURFACE MODIFIED SUBSTRATES AND RELATED METHODS Non-Final OA ENTEGRIS, INC.
18842079 MULTI-LAYERED COATED METAL SUBSTRATES Final Rejection PRC-DESOTO INTERNATIONAL, INC.
18875631 STEEL SHEET AND MANUFACTURING METHOD THEREFOR Final Rejection POSCO CO., LTD
18723234 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO Co., Ltd
18845475 COMPONENT OF A CAR OR MOTORCYCLE COMPRISING A TITANIA-BASED COATING Non-Final OA Brembo S.p.A.
18874274 800MPA-GRADE HIGH-HOLE-EXPANSION HOT-DIP GALVANIZED STEEL PLATE AND MANUFACTURING METHOD THEREFOR Final Rejection BAOSHAN IRON & STEEL CO., LTD.
18848999 ROLL-BONDED LAMINATE AND METHOD FOR PRODUCING THE SAME Non-Final OA TOYO KOHAN CO., LTD.
17785846 STEEL PLATE HAVING EXCELLENT WEAR RESISTANCE AND COMPOSITE CORROSION RESISTANCE AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO

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