Prosecution Insights
Last updated: August 06, 2026

Cantor Colburn LLP - Carrier

36 pending office actions • 2 clients • 34 examiners • 24 art units • 0 of 36 (0%) have an AI response strategy ready • 90 patents granted in the last 365 days

Quality Metrics (n=73473 apps, methodology: how we score firms)

88.1%
Allowance Rate
n=73473
+0.54σ
Allowance Rate (norm)
n=73473
3.2
OAs to Allowance
n=51629
-0.21σ
OAs to Allow (norm)
n=51629
1017 days
Time to Allowance
n=51629
+3.9pp
Interview Lift
n=73473
25.9%
RCE Rate
n=73473
2.1%
Appeal Rate
n=73473

Rejection Performance (% of received rejections ultimately overcome)

75.6%
§101 Overcome
n=3150
81.0%
§102 Overcome
n=23579
81.1%
§103 Overcome
n=36783
82.5%
§112 Overcome
n=23383

Specialization & Scale

H10K, G02F, G06F
Top CPC Subclasses
9%
Top-3 CPC Share
n=73473
68
Practitioners
n=73473
1080.5
Apps / Practitioner
n=73473

Portfolio Summary

36
Total Pending OAs
14
Non-Final OAs
16
Final Rejections
6
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 20 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

11
Overdue
0
Due this week
5
Due this month
4
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 20 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (11)Due ≤ 30 days (5)Due ≤ 60 days (4)

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.

13
Hard (36%)
22
Medium (61%)
1
Easy (3%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (3%)
§103 only20 (56%)
§102 only1 (3%)
§112 only1 (3%)
Double-patenting + other1 (3%)
Multi-statute (no §101)12 (33%)

Industry Mix

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

5
Life Sciences
14% of docket
4
Information Tech
11% of docket
1
Communications
3% of docket
7
Semiconductors
19% of docket
18
Mechanical / Eng
50% of docket
1
Business / Other
3% 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.

360 h
Manual time on pending OAs
72 h
Time saved (low, 20%)
126 h
Time saved (mid, 35%)
3.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZERPHEY, CHRISTOPHER R 2 48.7% +19.2%
ZAAB, SHARAH 2 69.9% +26.4%
MIAN, SHAFIQ A 1 78.9% +25.0%
PHAM, DUC M 1 88.4% +12.7%
SHIAO, DAVID A 1 75.4% +30.7%
SHECHTMAN, SEAN P 1 75.1% +22.4%
BRADFORD, JONATHAN 1 75.9% +21.5%
CAO, CHUN 1 84.7% +12.6%
HAMILTON, FRANCES F 1 53.9% +38.8%
TRPISOVSKY, JOSEPH F 1 70.0% +20.0%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18966911 REDUCED TOPOLGY POWER CONVERTERS FOR SELF-POWERED AIR CONDITOINING SYSTEM PHAM, DUC M

Hard Cases (13)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18314183 TRANSPORT REFRIGERATION ENERGY STORAGE SYSTEM MOUNTING SYSTEM COLILLA, DANIEL JAMES 74d overdue
18350279 AUDIO-BASED OCCUPANCY DETECTION ZAAB, SHARAH 44d overdue
18171917 ADJUSTABLE PORT FOR RECOVERY VENTILATOR LAUGHLIN, ELIZABETH ANN 19d overdue
18497770 MODERATE-TO-LOW GLOBAL WARMING POTENTIAL VALUE REFRIGERANT LEAK DETECTION HAMILTON, FRANCES F 9d overdue
18339445 SHELL AND TUBE ISOLATION IN HEAT EXCHANGER WEILAND, HANS R. 27d
17982006 PREVENTING ICING IN AN HVAC SYSTEM SHAIKH, MERAJ A 33d
18332951 BLOWER HOUSING FOR AIR CONDITIONING SYSTEM CLARK, RYAN C 39d
18795751 POWER ARCHITECTURE FOR SELF-POWERED AIR CONDITIONING SYSTEMS SHECHTMAN, SEAN P

Interview Candidates (12)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18350279 AUDIO-BASED OCCUPANCY DETECTION ZAAB, SHARAH 44d overdue
18883281 EXCESS ENERGY MANAGEMENT FOR SELF-POWERED AIR CONDITIONING SYSTEMS SHIAO, DAVID A 43d overdue
18762836 SELF-POWERED AIR CONDITIONING SYSTEMS ZERPHEY, CHRISTOPHER R 9d overdue
18497770 MODERATE-TO-LOW GLOBAL WARMING POTENTIAL VALUE REFRIGERANT LEAK DETECTION HAMILTON, FRANCES F 9d overdue
18341098 REFRIGERANT COLLECTOR AND AIR SEPARATOR ZERPHEY, CHRISTOPHER R 23d
18762830 SELF-POWERED AIR CONDITIONING SYSTEMS BRADFORD, JONATHAN 43d
19269622 DIRECT DRIVE REFRIGERANT SCREW COMPRESSOR WITH REFRIGERANT LUBRICATED ROTORS MIAN, SHAFIQ A
18966911 REDUCED TOPOLGY POWER CONVERTERS FOR SELF-POWERED AIR CONDITOINING SYSTEM PHAM, DUC M

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Carrier 35
Carrier Fire & Security Emea BV 1

Top Art Units

Art UnitApps
37637
28362
37992
37622
28572
17762
37461
28491
21151
37451

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19269622 DIRECT DRIVE REFRIGERANT SCREW COMPRESSOR WITH REFRIGERANT LUBRICATED ROTORS Carrier Corporation MIAN, SHAFIQ A 3746 §103 Non-Final OA Pending Jul 15, 2025
18966911 REDUCED TOPOLGY POWER CONVERTERS FOR SELF-POWERED AIR CONDITOINING SYSTEM Carrier Corporation PHAM, DUC M 2849 §103 Final Rejection Pending Dec 03, 2024
18883281 EXCESS ENERGY MANAGEMENT FOR SELF-POWERED AIR CONDITIONING SYSTEMS Carrier Corporation SHIAO, DAVID A 2836 §103 Final Rejection 43d overdue Pending Sep 12, 2024
18795751 POWER ARCHITECTURE FOR SELF-POWERED AIR CONDITIONING SYSTEMS Carrier Corporation SHECHTMAN, SEAN P §102§103 Non-Final OA Pending Aug 06, 2024
18762836 SELF-POWERED AIR CONDITIONING SYSTEMS Carrier Corporation ZERPHEY, CHRISTOPHER R 3799 §102§103§112DP Final Rejection 9d overdue Pending Jul 03, 2024
18762830 SELF-POWERED AIR CONDITIONING SYSTEMS Carrier Corporation BRADFORD, JONATHAN 3763 §102 Non-Final OA 43d Pending Jul 03, 2024
18392332 CONTROLLING ENERGY LOADS TO MEET AN ENERGY BUDGET ASSIGNED TO A SITE Carrier Corporation CAO, CHUN 2115 §102§103 Final Rejection Pending Dec 21, 2023
18497770 MODERATE-TO-LOW GLOBAL WARMING POTENTIAL VALUE REFRIGERANT LEAK DETECTION Carrier Corporation HAMILTON, FRANCES F 3762 §103§112 Non-Final OA 9d overdue Pending Oct 30, 2023
18355003 OVERRIDING NORMAL OPERATION OF HEATING, VENTILATION AND AIR CONDITIONING SYSTEM FOR DIAGNOSTICS Carrier Corporation ZAAB, SHARAH 2857 §103 Non-Final OA Pending Jul 19, 2023
18350279 AUDIO-BASED OCCUPANCY DETECTION Carrier Corporation ZAAB, SHARAH 2857 §101§103 Non-Final OA 44d overdue Pending Jul 11, 2023
18350169 FUEL CELL ARCHITECTURE FOR TRANSPORT REFRIGERATION UNIT Carrier Corporation TRPISOVSKY, JOSEPH F 3763 §102§103§112 Non-Final OA Pending Jul 11, 2023
18342773 REVERSIBLE BIPOLARIZATION IONIZER Carrier Corporation MCKENZIE, THOMAS B 1776 §103§112 Non-Final OA Pending Jun 28, 2023
18341098 REFRIGERANT COLLECTOR AND AIR SEPARATOR Carrier Corporation ZERPHEY, CHRISTOPHER R 3799 §103 Final Rejection 23d Pending Jun 26, 2023
18339445 SHELL AND TUBE ISOLATION IN HEAT EXCHANGER Carrier Corporation WEILAND, HANS R. 3763 §102§103 Final Rejection 27d Pending Jun 22, 2023
18332951 BLOWER HOUSING FOR AIR CONDITIONING SYSTEM Carrier Corporation CLARK, RYAN C 3745 §103§112 Non-Final OA 39d Pending Jun 12, 2023
18314183 TRANSPORT REFRIGERATION ENERGY STORAGE SYSTEM MOUNTING SYSTEM Carrier Corporation COLILLA, DANIEL JAMES 3612 §102§103 Non-Final OA 74d overdue Pending May 09, 2023
18141955 SURFACE MODIFIED MATRIX BARRIER FOR A GAS DETECTOR DEVICE Carrier Corporation MEGNA FUENTES, ANTHONY W 2855 §103 Final Rejection 3d overdue Pending May 01, 2023
18309137 HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM CONTROL LEVERAGING FUTURE WEATHER Carrier Corporation AZAD, MD ABUL K 2119 §103 Final Rejection 15d Pending Apr 28, 2023
18304042 THERMOELECTRIC CHARGING SYSTEM Carrier Corporation TORRES RUIZ, JOHALI ALEJANDRA 2859 §103 Non-Final OA Pending Apr 20, 2023
18187161 HYDRAULIC EXPANSION OF OVAL TUBES IN TUBE SHEET Carrier Corporation PRESSLEY, PAUL DEREK 3725 §103 Final Rejection 23d overdue Pending Mar 21, 2023
18179520 NON-METALLIC BAFFLE FOR HEAT EXCHANGER Carrier Corporation OSWALD, KIRSTIN U 3763 §103 Final Rejection Pending Mar 07, 2023
18175941 FUEL CELL HEALTH AND SAFETY SYSTEM FOR TRANSPORT REFRIGERATION UNITS Carrier Corporation ADENIJI, IBRAHIM M 3763 §103 Final Rejection Pending Feb 28, 2023
18174040 PRE-TRIP SEQUENCE FOR A FUEL CELL FOR A TRAILER REFRIGERATION UNIT Carrier Corporation CREPEAU, JONATHAN 1725 §112 Final Rejection 12d Pending Feb 24, 2023
18171917 ADJUSTABLE PORT FOR RECOVERY VENTILATOR Carrier Corporation LAUGHLIN, ELIZABETH ANN 3762 §103§112 Non-Final OA 19d overdue Pending Feb 21, 2023
18165680 LOW COST REFORMING CIRCUITRY FOR ELECTROLYTIC CAPACITORS IN VARIABLE FREQUENCY DRIVE APPLICATIONS Carrier Corporation KESSIE, DANIEL 2836 §103 Final Rejection Pending Feb 07, 2023
18160591 CARTRIDGE-OPERATED FIRE EXTINGUISHER Carrier Corporation DANDRIDGE, CHRISTOPHER R. 3752 §103 Non-Final OA 14d Pending Jan 27, 2023
18147388 CREATING A WORKFLOW FROM MULTIPLE DISPARATE WORKFLOW SYSTEMS LEVERAGING PREDICTIVE ACTIONABLE INSIGHTS FOR EQUIPMENT Carrier Corporation TAN, ALVIN H 2118 §103 Non-Final OA 44d overdue Pending Dec 28, 2022
18088141 SELF-CLEANING ADAPTER FOR ELECTRONIC AIR CLEANER Carrier Corporation HOBSON, STEPHEN 1776 §102§103 Non-Final OA Pending Dec 23, 2022
18055514 AIR QUALITY MONITOR WITH INTEGRATED AIR FRESHENER Carrier Corporation JOYNER, KEVIN 1799 §103 Non-Final OA 34d Pending Nov 15, 2022
17985274 AUTO GUIDE FOR FIRE PANEL CONFIGURATION Carrier Corporation COCCHI, MICHAEL EDWARD 2188 §103 Final Rejection Pending Nov 11, 2022
17982006 PREVENTING ICING IN AN HVAC SYSTEM Carrier Corporation SHAIKH, MERAJ A 3763 §103§112 Non-Final OA 33d Pending Nov 07, 2022
17982018 DYNAMIC AIR FILTRATION Carrier Corporation HOPKINS, ROBERT A 1794 §102§112 Non-Final OA Pending Nov 07, 2022
17970903 MOTION DETECTOR WITH MASKING DETECTION Carrier Fire & Security Emea BV BENJAMIN GOSLING, ANNA K 3648 §103 Non-Final OA Pending Oct 21, 2022
18048265 HEAT EXCHANGER FOR POWER ELECTRONICS Carrier Corporation MOORE, DEVON TYLEN 3763 §103 Non-Final OA 97d overdue Pending Oct 20, 2022
17737378 FIRE PROTECTION SYSTEM Carrier Corporation KIRKWOOD, SPENCER HAMMETT 3761 §103 Final Rejection 38d overdue Pending May 05, 2022
17116673 ESTABLISHING AN AUDIO/VIDEO LINK TO A CENTRAL MONITORING STATION Carrier Corporation MOHAMMED, ASSAD 2691 §103 Final Rejection Pending Dec 09, 2020

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