Prosecution Insights
Last updated: October 26, 2026

Elizabeth L Mckane, USPTO Patent Examiner

Listed by the USPTO as MCKANE, ELIZABETH L

Tech Center 3900 • Art Units: 1773 1797 3991

This examiner grants 64% of resolved cases

Analysis

MCKANE, ELIZABETH L is assigned to Tech Center 3900 and art unit 1773. The record includes 245 resolved cases, with an allowance rate of 64.1%. The median time to allowance is 1136 days, showing a moderate allowance outcome reached over a generally extended prosecution timeline.

The interview lift is 26.1%, associating interviews with better allowance outcomes. Counsel may treat interviews as a useful opportunity to focus claim amendments and explain technical differences before committing to a final written position. The leading companies are Philip Morris International Inc., Nicoventures Trading Limited, and Shenzhen Sisensing Co. Ltd. The leading firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., BIRCH STEWART KOLASCH & BIRCH, LLP, and MERCHANT & GOULD P.C. - BAT.

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

Performance Statistics

64.1%
Allow Rate
+4.1% vs TC avg
264
Total Applications
+26.1%
Interview Lift
1136
Avg Prosecution Days
Based on 245 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.6%
§102 Novelty
38.7%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18580873 AEROSOL PROVISION SYSTEM Final Rejection Nicoventures Trading Limited
18573872 AN ARTICLE FOR USE WITH A NON-COMBUSTIBLE AEROSOL PROVISION DEVICE Final Rejection Nicoventures Trading Limited
18752520 PRE-CONDUCTIVE ARRAY DISPOSED ON TARGET CIRCUIT SUBSTRATE AND CONDUCTIVE STRUCTURE ARRAY THEREOF Non-Final OA LG DISPLAY CO.., LTD.
18890158 Battery Module Having Path Through Which Coolant Introduced Therein Flows When Thermal Runaway Occurs, And Battery Pack And ESS Comprising The Same Non-Final OA LG Energy Solution, Ltd.
17507513 Electronic Vapour Inhalers Final Rejection JT International S.A.
19200604 VAPORIZERS WITH CARTRIDGES WITH OPEN SIDED CHAMBER Non-Final OA Philip Morris Products S.A.
18919754 AEROSOL-GENERATING ARTICLE, DEVICE AND SYSTEM FOR USE WITH A PLURALITY OF AEROSOL-FORMING SUBSTRATES Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18685811 MOUTHPIECE FOR INHALING AN AEROSOL WITH FLAVOR GRANULES Non-Final OA Philip Morris Products S.A.
18548668 AEROSOL-GENERATING DEVICE USING VIBRATING TRANSDUCER AND CONTROLLED LIQUID SUPPLY Non-Final OA Philip Morris Products S.A.

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Elizabeth L Mckane's allowance rate?

64.1% of resolved applications examined by Elizabeth L Mckane were allowed (245 resolved cases), compared with 51.4% across Art Unit 1773 over the last five years.

Does an interview help with examiner Elizabeth L Mckane?

This examiner's interview lift is +26.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elizabeth L Mckane take to allow a patent?

Applications allowed by Elizabeth L Mckane took 1,136 days on average from filing to allowance.

Which art unit does examiner Elizabeth L Mckane work in?

Elizabeth L Mckane examines applications in Art Unit 1773 in Tech Center 3900.

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