Prosecution Insights
Last updated: August 15, 2026

Lennox Industries Inc.

4 pending office actions • 2 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 41 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (50%)
1
Medium (25%)
1
Easy (25%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (25%)
§103 only1 (25%)
Double-patenting only1 (25%)
Multi-statute (no §101)1 (25%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
25% of docket
1
Mechanical / Eng
25% of docket
2
Business / Other
50% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BRADFORD, JONATHAN 1 75.9% +21.5%
TEITELBAUM, DAVID J 1 68.9% +24.3%
SHARMIN, ANZUMAN 1 78.8% +32.2%
BHAT, ADITYA S 1 81.1% +10.0%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18822129 Condenser Fan Orifice Rings TEITELBAUM, DAVID J
18299302 Diagnostics of indoor unit of HVAC system based on sound signatures BHAT, ADITYA S

Interview Candidates (4)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
19070003 SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE REFRIGERATION CIRCUITS WITH ONE OR MORE COMPRESSORS BRADFORD, JONATHAN
18822129 Condenser Fan Orifice Rings TEITELBAUM, DAVID J
18816985 OCCUPANCY TRACKING USING ENVIRONMENTAL INFORMATION SHARMIN, ANZUMAN
18299302 Diagnostics of indoor unit of HVAC system based on sound signatures BHAT, ADITYA S

Top Art Units

Art UnitApps
3763 1
2857 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19070003 SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE REFRIGERATION CIRCUITS WITH ONE OR MORE COMPRESSORS BRADFORD, JONATHAN DP Non-Final OA Pending Mar 04, 2025
18822129 Condenser Fan Orifice Rings TEITELBAUM, DAVID J 3763 §102§103 Non-Final OA Pending Aug 31, 2024
18816985 OCCUPANCY TRACKING USING ENVIRONMENTAL INFORMATION SHARMIN, ANZUMAN §103Other Non-Final OA Pending Aug 27, 2024
18299302 Diagnostics of indoor unit of HVAC system based on sound signatures BHAT, ADITYA S 2857 §101 Final Rejection Pending Apr 12, 2023

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