Prosecution Insights
Last updated: October 02, 2026

Examiner: LUARCA, MARGARET M

Tech Center 3700 • Art Units: 3778 3782 3785

This examiner grants 74% of resolved cases

Analysis

Margaret M. Luarca is an examiner in Art Unit 3778 of Tech Center 3700. With 499 resolved cases, the examiner maintains an allowance rate of 74.3 percent. This rate suggests a strong probability of success for applicants, with about three-quarters of resolved cases resulting in a grant. Practitioners can use the 74.3 percent figure to benchmark the likelihood of securing a patent in this unit.

The interview lift is 18.7 percent. This data point shows that interviews are an effective tool for moving cases toward an allowance, providing a significant boost to the success rate. Practitioners should leverage the 18.7 percent lift to resolve outstanding issues and improve the chances of a grant, as direct communication appears to be highly productive with this examiner.

The median days to allowance is 1222. This timeline indicates that the prosecution process typically takes over three years. The combination of a 74.3 percent allowance rate and a 1222-day median provides a clear expectation for the duration and outcome of cases. These metrics help practitioners manage client expectations regarding both the timing and the high probability of success.

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

Performance Statistics

74.3%
Allow Rate
+4.3% vs TC avg
522
Total Applications
+18.7%
Interview Lift
1222
Avg Prosecution Days
Based on 499 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
16.6%
§102 Novelty
56.9%
§103 Obviousness
16.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18608571 SEAL-FORMING STRUCTURE OF PATIENT INTERFACE WITH MULTIPLE SEALING MATERIALS Non-Final OA RESMED PTY LTD
18592623 CUFF FOR AIR DELIVERY CONDUIT Non-Final OA ResMed Pty Ltd
17934656 UNOBTRUSIVE INTERFACE SYSTEM Non-Final OA ResMed Pty Ltd
18393826 CRADLE CUSHION HAVING SIDE STABILIZERS Non-Final OA KONINKLIJKE PHILIPS N.V.
18658000 RESPIRATOR HAVING OPTICALLY ACTIVE EXHALATION VALVE Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18642643 USABILITY FEATURES FOR RESPIRATORY HUMIDIFICATION SYSTEM Non-Final OA FISHER & PAYKEL HEALTHCARE LIMITED
18260921 PATIENT INTERFACE Non-Final OA Fisher & Paykel Healthcare Limited
17643147 SUBSTANCE DELIVERY ARRANGEMENT FOR GAS THERAPY DEVICE Non-Final OA FISHER & PAYKEL HEALTHCARE LIMITED
18267763 WEARABLE AIR PURIFICATION SYSTEM Non-Final OA Dyson Technology Limited
18281701 HME DEVICES Non-Final OA SMITHS MEDICAL INTERNATIONAL LIMITED

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