Prosecution Insights
Last updated: May 29, 2026

Shenzhen First Union Technology Co. Ltd.

30 pending office actions • 7 art units • 18 examiners • 0 of 30 (0%) have an AI response strategy ready • 23 patents granted in the last 365 days

Portfolio Summary

30
Total Pending OAs
20
Non-Final OAs
7
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 30 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

12
Overdue
3
Due this week
10
Due this month
4
Due in next 60 days
1
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. 30 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (12)Due ≤ 7 days (3)Due ≤ 30 days (10)Due ≤ 60 days (4)Due later (1)

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.

0
Hard (0%)
27
Medium (90%)
3
Easy (10%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only23 (77%)
§102 only4 (13%)
§112 only3 (10%)

Industry Mix

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

27
Life Sciences
90% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
10% of docket
0
Business / Other
0% 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.

300 h
Manual time on pending OAs
60 h
Time saved (low, 20%)
105 h
Time saved (mid, 35%)
2.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SPARKS, RUSSELL E 3 63.1% +16.3%
PHAM, VU PHI 3 35.3% +16.7%
DIYAN, OLUWATOSIN OLUWATUMININ 3 42.9% +80.0%
EFTA, ALEX B 2 59.1% +25.8%
GRAY, LINDA LAMEY 2 82.8% +16.7%
LE, TOBEY CHOU 2 32.1% +65.2%
MARTIN, JOHN MITCHELL 2 19.1% +5.4%
MULLEN, MICHAEL PATRICK 2 59.1% +47.4%
KUMAR, SRILAKSHMI K 2 55.4% +15.6%
SZEWCZYK, CYNTHIA 1 73.7% +9.9%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18037336 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE GRAY, LINDA LAMEY 9d
18553566 AEROSOL GENERATION DEVICE AND HEATER GRAY, LINDA LAMEY 84d

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
17844102 Aerosol generating device MARTIN, JOHN MITCHELL 29d
18274992 ELECTRONIC VAPORIZATION DEVICE MARTIN, JOHN MITCHELL 54d

Interview Candidates (19)

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
17597538 HEATER AND LOW-TEMPERATURE HEATING SMOKING SET KUMAR, SRILAKSHMI K 127d overdue
17758882 LOW-TEMPERATURE SMOKING SET PHAM, VU PHI 97d overdue
18027626 AEROSOL GENERATION DEVICE AND INFRARED HEATER KUMAR, SRILAKSHMI K 67d overdue
18024257 AEROSOL GENERATION DEVICE AND INFRARED HEATER SPARKS, RUSSELL E 45d overdue
17914772 AEROSOL GENERATION APPARATUS AND CONTROL METHOD THEREFOR LE, TOBEY CHOU 22d overdue
18020934 AEROSOL-GENERATION DEVICE, AND METHOD AND SYSTEM THEREOF DIYAN, OLUWATOSIN OLUWATUMININ 8d overdue
18021174 VAPOR GENERATION DEVICE DIYAN, OLUWATOSIN OLUWATUMININ 4d overdue
18011153 VAPORIZER, ELECTRONIC VAPORIZATION DEVICE, AND SEAL ELEMENT FOR VAPORIZER DIYAN, OLUWATOSIN OLUWATUMININ 4d overdue

Top Art Units

Art UnitApps
1755 14
1747 6
1745 4
3761 2
1700 2
1741 1
3733 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18037403 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE EFTA, ALEX B 1745 §103 Non-Final OA 12d Pending Nov 15, 2023
18553566 AEROSOL GENERATION DEVICE AND HEATER GRAY, LINDA LAMEY 1745 §103 Final Rejection 84d Pending Oct 01, 2023
18282539 ELECTRONIC VAPORIZATION DEVICE, POWER SUPPLY MECHANISM, AND METHOD FOR IDENTIFYING VAPORIZER LE, TOBEY CHOU 1747 §102 Non-Final OA 22d Pending Sep 17, 2023
18263719 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE SPARKS, RUSSELL E 1755 §102 Final Rejection 46d Pending Aug 01, 2023
18274992 ELECTRONIC VAPORIZATION DEVICE MARTIN, JOHN MITCHELL 1755 §103 Non-Final OA 54d Pending Jul 28, 2023
18274712 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE SZEWCZYK, CYNTHIA 1741 §102 Non-Final OA 8d Pending Jul 27, 2023
18274710 VAPORIZATION CORE SUPPORT ASSEMBLY, VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE MAYES, DIONNE WALLS 1747 §112 Non-Final OA 33d Pending Jul 27, 2023
17927524 VAPOR GENERATION DEVICE, SUSCEPTOR, AND PREPARATION METHOD EFTA, ALEX B 1745 §103 Non-Final OA 41d Pending Jun 26, 2023
18256213 AEROSOL-PRODUCING APPARATUS AND CONTROL METHOD THEREFOR EVANGELISTA, THEODORE JUSTINE 3761 §103 Non-Final OA 27d Pending Jun 07, 2023
18255107 AEROSOL GENERATING DEVICE AND CONTROL METHOD NGUYEN, PHU HOANG 1747 §103 Non-Final OA 38d overdue Pending May 31, 2023
18037336 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE GRAY, LINDA LAMEY 1745 §103 Non-Final OA 9d Pending May 17, 2023
18029648 E-CIGARETTE CARTRIDGE AND E-CIGARETTE MULLEN, MICHAEL PATRICK 1747 §103 Non-Final OA 30d Pending Mar 30, 2023
18028520 VAPOR GENERATION DEVICE PHAM, VU PHI 1755 §103 Final Rejection 6d Pending Mar 25, 2023
18027626 AEROSOL GENERATION DEVICE AND INFRARED HEATER KUMAR, SRILAKSHMI K 1700 §102 Non-Final OA 67d overdue Pending Mar 22, 2023
18025393 DOOR MECHANISM AND AEROSOL-GENERATION DEVICE VOLZ, ELIZABETH J 3733 §103 Non-Final OA 5d Pending Mar 08, 2023
18024257 AEROSOL GENERATION DEVICE AND INFRARED HEATER SPARKS, RUSSELL E 1755 §112 Non-Final OA 45d overdue Pending Mar 01, 2023
18021174 VAPOR GENERATION DEVICE DIYAN, OLUWATOSIN OLUWATUMININ 1755 §103 Non-Final OA 4d overdue Pending Feb 13, 2023
18020934 AEROSOL-GENERATION DEVICE, AND METHOD AND SYSTEM THEREOF DIYAN, OLUWATOSIN OLUWATUMININ 1755 §103 Non-Final OA 8d overdue Pending Feb 11, 2023
17758883 AEROSOL GENERATING DEVICE AND HEATER PHAM, VU PHI 1755 §103 Non-Final OA 1d overdue Pending Dec 20, 2022
17758882 LOW-TEMPERATURE SMOKING SET PHAM, VU PHI 1755 §103 Non-Final OA 97d overdue Pending Dec 20, 2022
18011189 AEROSOL GENERATION APPARATUS AND ELECTRONIC AEROSOL INHALER MULLEN, MICHAEL PATRICK 1747 §103 Non-Final OA 12d Pending Dec 18, 2022
18011153 VAPORIZER, ELECTRONIC VAPORIZATION DEVICE, AND SEAL ELEMENT FOR VAPORIZER DIYAN, OLUWATOSIN OLUWATUMININ 1755 §103 Non-Final OA 4d overdue Pending Dec 16, 2022
18008159 VAPOR-GENERATION DEVICE AND SUSCEPTOR FOR VAPOR-GENERATION DEVICE DEZENDORF, MORGAN FAITH 1755 §103 Non-Final OA 21d Pending Dec 02, 2022
17923898 HEATING BODY AND AEROSOL-GENERATION DEVICE INCLUDING SAME PAIK, SANG YEOP 3761 §103 Non-Final OA 7d Pending Nov 07, 2022
17914772 AEROSOL GENERATION APPARATUS AND CONTROL METHOD THEREFOR LE, TOBEY CHOU 1747 §103 Non-Final OA 22d overdue Pending Sep 27, 2022
17911145 ATOMIZER AND ELECTRONIC CIGARETTE DAVISON, CHARLOTTE INKERI 1755 §103 Final Rejection 87d overdue Pending Sep 13, 2022
17844102 Aerosol generating device MARTIN, JOHN MITCHELL 1755 §103 Final Rejection 29d Pending Jun 20, 2022
17755228 ATOMIZATION MEMBER AND ELECTRONIC CIGARETTE BIEGER, VIRGINIA RUTH 1755 §103 Final Rejection 60d overdue Pending Apr 25, 2022
17753638 METHOD FOR CONTROLLING ELECTRONIC CIGARETTE AND ELECTRONIC CIGARETTE SPARKS, RUSSELL E 1755 §103 Final Rejection 20d Pending Mar 10, 2022
17597538 HEATER AND LOW-TEMPERATURE HEATING SMOKING SET KUMAR, SRILAKSHMI K 1700 §112 Non-Final OA 127d overdue Pending Jan 11, 2022

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