Prosecution Insights
Last updated: April 19, 2026

Examiner: HAMMOND, ELLEN CHRISTINA

Tech Center 3700 • Art Units: 3733 3773

This examiner grants 78% of resolved cases

Performance Statistics

78.0%
Allow Rate
+8.0% vs TC avg
1058
Total Applications
+12.1%
Interview Lift
1166
Avg Prosecution Days
Based on 1025 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
33.8%
§102 Novelty
35.6%
§103 Obviousness
17.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18437843 FLEXIBLE IMPLANTS AND METHODS OF ENHANCED BONE FIXATION Non-Final OA Board of Regents, The University of Texas System
18264125 FLEXIBLE IMPLANTS AND METHODS OF ENHANCED BONE FIXATION Final Rejection Board of Regents, The University of Texas System
19027485 EXPANDABLE VERTEBRAL PROSTHESIS Non-Final OA GLOBUS MEDICAL, INC.
18788499 CERVICAL DISC INTRUMENTS Non-Final OA GLOBUS MEDICAL, INC.
18302891 SPINAL PLATE Non-Final OA GLOBUS MEDICAL, INC.
18959125 SHIELD FOR SPINAL DEFECT Non-Final OA Spinal Simplicity, LLC
19051333 Set Screw and Set Screw Driving Tool for Improved Rod Alignment Non-Final OA Neo Medical SA
18632880 EXTERNAL ADJUSTMENT DEVICE FOR DISTRACTION DEVICE Non-Final OA NuVasive Specialized Orthopedics, Inc.
19031595 SPINAL ALIGNMENT SYSTEMS Non-Final OA 3SPINE, INC
18594385 POSTERIOR TOTAL JOINT REPLACEMENT Non-Final OA 3Spine, Inc.
18397991 MOTION IMPLANTS TO IMPROVE SPINAL KINEMATICS Non-Final OA 3SPINE, INC
18373185 SPINAL MOTION RESTORATION Non-Final OA 3SPINE, INC
18226197 METHODS AND DEVICES FOR ALTERING SPINAL LORDOSIS AND/OR KYPHOSIS Final Rejection 3SPINE, INC
18927238 MATRIX IMPLANT Non-Final OA SI-Bone Inc.
19010587 SURGICAL CORD TENSIONING DEVICES, SYSTEMS, AND METHODS Non-Final OA Highridge Medical, LLC
18560863 INSERTER FOR SPINAL FUSION IMPLANT Non-Final OA NuVasive, Inc.
18740904 EXPANDABLE IMPLANT ASSEMBLY Non-Final OA Life Spine, Inc.
18892151 ROTATABLE AND SURGICAL APPROACH-SPECIFIC INTERVERTEBRAL IMPLANTS FOR FUSION TECHNIQUES Non-Final OA Carlsmed, Inc.
18888844 MULTIFUNCTIONAL VISUALIZATION INSTRUMENT Non-Final OA Covidien AG
18717820 MODULAR SUPPORT CAGE Non-Final OA PR Spine GbR
18663849 BONE SEGMENT TRANSLATION SYSTEM Final Rejection Blue Ocean Global Corp.
18685449 SURGICAL IMPLANT Final Rejection INVIBIO KNEES LIMITED
18488486 IMPLANT FUSION DEVICE WITH ENHANCED OSTEOINDUCTIVITY Non-Final OA Spectrum Spine IP Holdings, Inc.
18551980 A SPINAL ANCHORING ELEMENT SYSTEM Non-Final OA CONCEPT SPINE LTD
18350995 DUAL COMPRESSION INTRAMEDULLARY NAIL SYSTEM AND METHOD FOR USE IN A TALAR TIBIA CALCANEAL FUSION Final Rejection ORTHO SOLSOLUTIONS HOLDINGS LIMITED
17969257 Spinal Implant with a Magnesium-Phosphate Three-Dimensional Porosity Structure Non-Final OA Bone Solutions, Inc.
17881573 FIXATED INTERVERTEBRAL MESH IMPLANT AND METHOD Non-Final OA Spineology Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month