Prosecution Insights
Last updated: July 17, 2026

Leydig, Voit & Mayer, Ltd. (Frankfurt - Leica)

7 pending office actions • 1 client • 7 examiners • 5 art units • 0 of 7 (0%) have an AI response strategy ready • 13 patents granted in the last 365 days

Quality Metrics (n=148 apps, methodology: how we score firms)

95.0%
Allowance Rate
n=148
-0.16σ
Allowance Rate (norm)
n=148
OAs to Allowance
n=19 (min 20)
OAs to Allow (norm)
n=19 (min 20)
Time to Allowance
n=19 (min 20)
-7.7pp
Interview Lift
n=148
5.0%
RCE Rate
n=148
7.1%
Appeal Rate
n=148

Rejection Performance (% of received rejections ultimately overcome)

§101 Overcome
n=0 (min 20)
§102 Overcome
n=0 (min 20)
§103 Overcome
n=14 (min 20)
§112 Overcome
n=10 (min 20)

Specialization & Scale

G01N, G02B, C12Q
Top CPC Subclasses
54%
Top-3 CPC Share
n=148
0
Practitioners
n=148
Apps / Practitioner
n=148 (min 20)

Portfolio Summary

7
Total Pending OAs
6
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
1
Due later

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%)
7
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only7 (100%)

Industry Mix

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

0
Life Sciences
0% of docket
3
Information Tech
43% of docket
0
Communications
0% of docket
1
Semiconductors
14% of docket
1
Mechanical / Eng
14% of docket
2
Business / Other
29% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DANG, HUNG Q 1 68.4% +18.2%
ITSKOVICH, MIKHAIL 1 35.5% +24.1%
XU, XIAOLAN 1 73.9% +13.8%
VO, QUANG N 1 72.0% +6.4%
IP, JASON M 1 54.8% +25.0%
DISTEFANO, GREGORY A 1 69.3% +22.8%
WALSH, KATHLEEN M. 1 80.1% +17.6%

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
18715747 MICROSCOPE CONTROL ARRANGEMENT, MICROSCOPE SYSTEM, METHOD OF CONTROLLING A MICROSCOPE AND COMPUTER PROGRAM WALSH, KATHLEEN M.

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18864583 METHOD, PROCESSOR, AND MEDICAL FLUORESCENCE OBSERVATION DEVICE USING TWO COLOR IMAGES AND COLOR CAMERAS FOR FLUORESCENCE AND WHITE-LIGHT IP, JASON M 71d
19276024 OBLIQUE PLANE MICROSCOPE AND METHOD FOR CORRECTING AN ABERRATION IN AN OBLIQUE PLANE MICROSCOPE DANG, HUNG Q
19071790 COMPUTER-IMPLEMENTED METHOD AND DATA PROCESSING DEVICE FOR EXTRACTING AT LEAST ONE SIGNAL IN A REGION OF AN IMAGE USING A CROSSTALK QUANTITY ITSKOVICH, MIKHAIL
18992192 IMAGING DEVICE AND METHOD XU, XIAOLAN
18715754 MICROSCOPE CONTROL ARRANGEMENT, MICROSCOPE SYSTEM, METHOD OF CONTROLLING A MICROSCOPE AND COMPUTER PROGRAM DISTEFANO, GREGORY A
18715747 MICROSCOPE CONTROL ARRANGEMENT, MICROSCOPE SYSTEM, METHOD OF CONTROLLING A MICROSCOPE AND COMPUTER PROGRAM WALSH, KATHLEEN M.

Client Portfolio (1 client)

Client (Assignee)Pending OAs
Leica Microsystems 7

Top Art Units

Art UnitApps
24831
24881
37971
28711
24821

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19276024 OBLIQUE PLANE MICROSCOPE AND METHOD FOR CORRECTING AN ABERRATION IN AN OBLIQUE PLANE MICROSCOPE Leica Microsystems Cms GmbH DANG, HUNG Q §103 Non-Final OA Pending Jul 22, 2025
19071790 COMPUTER-IMPLEMENTED METHOD AND DATA PROCESSING DEVICE FOR EXTRACTING AT LEAST ONE SIGNAL IN A REGION OF AN IMAGE USING A CROSSTALK QUANTITY Leica Microsystems Cms GmbH ITSKOVICH, MIKHAIL 2483 §103 Non-Final OA Pending Mar 06, 2025
18992192 IMAGING DEVICE AND METHOD Leica Microsystems Cms GmbH XU, XIAOLAN 2488 §103 Final Rejection Pending Jan 08, 2025
18864554 IMAGE PROCESSOR AND COMPUTER-IMPLEMENTED METHOD FOR A MEDICAL OBSERVATION DEVICE, USING A LOCATION-DEPENDENT COLOR CONVERSION FUNCTION LEICA INSTRUMENTS (SINGAPORE) PTE. LTD. VO, QUANG N §103 Non-Final OA Pending Nov 11, 2024
18864583 METHOD, PROCESSOR, AND MEDICAL FLUORESCENCE OBSERVATION DEVICE USING TWO COLOR IMAGES AND COLOR CAMERAS FOR FLUORESCENCE AND WHITE-LIGHT LEICA INSTRUMENTS (SINGAPORE) PTE. LTD. IP, JASON M 3797 §103 Non-Final OA 71d Pending Nov 11, 2024
18715754 MICROSCOPE CONTROL ARRANGEMENT, MICROSCOPE SYSTEM, METHOD OF CONTROLLING A MICROSCOPE AND COMPUTER PROGRAM Leica Microsystems Cms GmbH DISTEFANO, GREGORY A 2871 §103 Non-Final OA Pending Jun 03, 2024
18715747 MICROSCOPE CONTROL ARRANGEMENT, MICROSCOPE SYSTEM, METHOD OF CONTROLLING A MICROSCOPE AND COMPUTER PROGRAM Leica Microsystems Cms GmbH WALSH, KATHLEEN M. 2482 §103 Non-Final OA Pending Jun 03, 2024

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