Prosecution Insights
Last updated: October 02, 2026

Examiner: CALLISON, KEIRA EILEEN

Tech Center 3700 • Art Units: 3700 3785

This examiner grants 22% of resolved cases

Analysis

Keira Eileen Callison is an examiner in Tech Center 3700 and Art Unit 3700. She has 23 resolved cases in her record. The allowance rate for these cases is 21.7%, while the interview lift is 85.7%. This 85.7% lift is higher than the 21.7% allowance rate, suggesting that interviews are a key factor in her decision-making process. Practitioners can use the lift to navigate the allowance rate more effectively.

The median days to allowance is 1350 for the 23 resolved cases. This 1350-day period represents the typical timeline for applications that reach a grant. When compared to the 21.7% allowance rate, the 1350-day median suggests that successful prosecution requires a significant commitment of time. Scheduling an interview may help address the duration by resolving issues more directly with the examiner. These metrics provide a data-grounded basis for prosecution strategy in the 3700 tech center.

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

Performance Statistics

21.7%
Allow Rate
-48.3% vs TC avg
60
Total Applications
+85.7%
Interview Lift
1350
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

9.0%
§101 Eligibility
18.0%
§102 Novelty
54.3%
§103 Obviousness
18.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18027485 PATIENT INTERFACE WITH BLOWOUT PREVENTION FOR SEAL-FORMING PORTION Final Rejection RESMED PTY LTD
17788626 RESPIRATORY THERAPY APPARATUS WITH REMOVABLE CONNECTIVITY MODULE AND COMPONENTS THEREOF Final Rejection ResMed Pty Ltd
17778543 APPARATUS AND METHOD FOR DETECTING USER INTERACTION WITH A RESPIRATORY THERAPY DEVICE Non-Final OA RESMED PTY LTD
17733374 PATIENT INTERFACE AND COMPONENT DETECTION, MONITORING AND REPLACEMENT Final Rejection ResMed Pty Ltd
17832829 MULTI-MODE MEDICAL GAS DELIVERY WITH NON-INVASIVE VENTILATION Final Rejection KONINKLIJKE PHILIPS N.V.
18444395 SYSTEM AND DEVICE INCLUDING THERMAL FLOW SENSING AND INTERNAL PRESSURE SENSING Non-Final OA ZOLL Medical Corporation
17650104 AIRWAY ADAPTER Final Rejection NIHON KOHDEN CORPORATION
18321149 APPENDAGE WORK SHARING APPARATUS Non-Final OA University of Central Florida Research Foundation, Inc.
18456260 WEARABLE STABILIZATION ASSEMBLY AND SYSTEM Non-Final OA GM Global Technology Operations LLC
17997230 A RESPIRATORY SUPPORT APPARATUS Final Rejection Fisher & Paykel Healthcare Limited
18040626 A PATIENT INTERFACE AND A RESPIRATORY SUPPORT SYSTEM Non-Final OA FISHER & PAYKEL HEALTHCARE LIMITED
18452502 SYSTEMS AND METHODS FOR ASSESSING CEREBROVASCULAR REACTIVITY Non-Final OA DREXEL UNIVERSITY
18267720 REUSABLE SEALING MATERIAL FOR DECOMPRESSION THERAPY TREATMENT SYSTEM Non-Final OA KCI Manufacturing Unlimited Company

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