Prosecution Insights
Last updated: October 02, 2026

Examiner: HAMMOND, ELLEN CHRISTINA

Tech Center 3700 • Art Units: 3733 3773

This examiner grants 78% of resolved cases

Analysis

Ellen Christina Hammond is an examiner in Tech Center 3700, assigned to Art Unit 3733. With 1046 resolved cases, the examiner has an extensive track record that provides a high degree of predictability for practitioners. The allowance rate is 78.1 percent, which is quite favorable and suggests a strong probability of success for applicants. This 78.1 percent rate indicates that a majority of the applications in this docket reach a successful resolution.

The median days to allowance is 1099, showing that the prosecution process typically moves at a steady pace. This 1099-day timeline is a useful benchmark for practitioners in Art Unit 3733. The interview lift percentage is 11.5, which shows that interviews provide a measurable benefit in increasing the chances of an allowance. While the 78.1 percent allowance rate is already strong, the 11.5 percent lift suggests that direct communication can help resolve any remaining issues and further streamline the process. For those operating in Tech Center 3700, the combination of a 78.1 percent allowance rate and a 1099-day median pendency offers a clear and positive outlook for patent prosecution.

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

Performance Statistics

78.2%
Allow Rate
+8.2% vs TC avg
1,075
Total Applications
+11.4%
Interview Lift
1099
Avg Prosecution Days
Based on 1049 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
29.2%
§102 Novelty
39.8%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19072404 Spinal Implant With Porous And Solid Surfaces Final Rejection Stryker European Operations Holdings LLC
18788499 CERVICAL DISC INTRUMENTS Final Rejection GLOBUS MEDICAL, INC.
18302891 SPINAL PLATE Final Rejection GLOBUS MEDICAL, INC.
19210553 IMPLANTABLE EXPANDABLE BONE SUPPORT DEVICE Non-Final OA AM Solutions Holding B.V.
19036720 IMPLANTABLE EXPANDABLE BONE SUPPORT DEVICE Non-Final OA AM Solutions Holding B.V.
18971979 SURGICAL RETRACTOR Non-Final OA Shukla Medical
18294733 POSTERIOR LATERAL OFFSET BASED SPINAL CORRECTION SYSTEM Non-Final OA The Children's Hospital of Philadelphia
18488486 IMPLANT FUSION DEVICE WITH ENHANCED OSTEOINDUCTIVITY Final Rejection Spectrum Spine IP Holdings, Inc.

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