Prosecution Insights
Last updated: July 17, 2026

Aka Chan LLP

24 pending office actions • 8 clients • 20 examiners • 14 art units • 0 of 24 (0%) have an AI response strategy ready • 47 patents granted in the last 365 days

Quality Metrics (n=2424 apps, methodology: how we score firms)

89.2%
Allowance Rate
n=2424
+0.43σ
Allowance Rate (norm)
n=2424
2.8
OAs to Allowance
n=1460
-0.40σ
OAs to Allow (norm)
n=1460
1091 days
Time to Allowance
n=1460
+7.7pp
Interview Lift
n=2424
18.1%
RCE Rate
n=2424
3.5%
Appeal Rate
n=2424

Rejection Performance (% of received rejections ultimately overcome)

65.3%
§101 Overcome
n=49
87.6%
§102 Overcome
n=169
85.9%
§103 Overcome
n=647
89.3%
§112 Overcome
n=150

Specialization & Scale

G06F, H04L, A61B
Top CPC Subclasses
23%
Top-3 CPC Share
n=2424
3
Practitioners
n=2424
808.0
Apps / Practitioner
n=2424

Portfolio Summary

24
Total Pending OAs
12
Non-Final OAs
11
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 16 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

10
Overdue
1
Due this week
4
Due this month
0
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. 16 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (10)Due ≤ 7 days (1)Due ≤ 30 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.

1
Hard (4%)
14
Medium (58%)
4
Easy (17%)
5
Unknown (21%)

Rejection Statute Mix

BucketCases
§101 only1 (4%)
§103 only14 (58%)
§112 only1 (4%)
Double-patenting only3 (12%)
No statute on record5 (21%)

Industry Mix

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

5
Life Sciences
21% of docket
3
Information Tech
12% of docket
3
Communications
12% of docket
0
Semiconductors
0% of docket
11
Mechanical / Eng
46% of docket
2
Business / Other
8% 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.

240 h
Manual time on pending OAs
48 h
Time saved (low, 20%)
84 h
Time saved (mid, 35%)
2.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LIU, CHU CHUAN 3 71.2% +13.9%
FARDANESH, MARJAN 2 72.8% +18.5%
CERIONI, DANIEL LEE 2 64.8% +28.2%
HENSON, DEVIN B 1 64.9% +43.7%
KIM, TAE K 1 74.3% +5.3%
CHERY, DADY 1 88.0% +9.3%
WILSON, NICHOLAS R 1 87.2% +11.8%
FERREIRA, CATHERINE M 1 39.0% +32.8%
O'KEEFE, SEAN P 1 65.4% +12.8%
DINH, KHANH Q 1 83.7% +4.5%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18398073 Zero Trust Data Gateway DINH, KHANH Q 29d
18806374 Method and System for Soft Frequency Reuse in a Distributed Antenna System CHERY, DADY
18737749 Protecting Documents with Security Overlays WILSON, NICHOLAS R

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
17810278 Order Fulfillment System BURSUM, KIMBERLY SUZANNE 50d overdue

Interview Candidates (11)

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
18047634 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting CERIONI, DANIEL LEE 78d overdue
18047640 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting CERIONI, DANIEL LEE 73d overdue
19291405 Oximeter with Measurement Quality Reporting LIU, CHU CHUAN 71d overdue
19248357 Oximeter with Replaceable Laparoscopic Extension HENSON, DEVIN B 42d overdue
19014124 Laparoscopic Oximetry Probe and Method for Reuse of a Handheld Unit of the Laparoscopic Oximetry Probe LIU, CHU CHUAN 22d overdue
18753986 Determining Absolute and Relative Tissue Oxygen Saturation LIU, CHU CHUAN 22d overdue
18488928 Oximeter Probe with Tissue Marking FARDANESH, MARJAN 14d
18589320 Magnesium-Based Alloy Foam O'KEEFE, SEAN P 83d

Client Portfolio (8 clients)

Top Art Units

Art UnitApps
37919
24961
26111
37321
17381
24581
24751
26461
17291
26771

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19291405 Oximeter with Measurement Quality Reporting Vioptix, Inc. LIU, CHU CHUAN 3791 DP Final Rejection 71d overdue Pending Aug 05, 2025
19248357 Oximeter with Replaceable Laparoscopic Extension Vioptix, Inc. HENSON, DEVIN B 3791 §103 Non-Final OA 42d overdue Pending Jun 24, 2025
19014124 Laparoscopic Oximetry Probe and Method for Reuse of a Handheld Unit of the Laparoscopic Oximetry Probe Vioptix, Inc. LIU, CHU CHUAN 3791 Other Non-Final OA 22d overdue Pending Jan 08, 2025
18916305 Encrypting E-mail and Other Digital Data Xq Message Inc. KIM, TAE K 2496 §103 Non-Final OA 5d Pending Oct 15, 2024
18806374 Method and System for Soft Frequency Reuse in a Distributed Antenna System Dali Wireless, Inc. CHERY, DADY DP Non-Final OA Pending Aug 15, 2024
18753986 Determining Absolute and Relative Tissue Oxygen Saturation Vioptix, Inc. LIU, CHU CHUAN 3791 Other Non-Final OA 22d overdue Pending Jun 25, 2024
18737749 Protecting Documents with Security Overlays NextLabs, Inc. WILSON, NICHOLAS R 2611 DP Final Rejection Pending Jun 07, 2024
18610178 Garment with Contiguously Woven Variable Stretch Zones Levi Strauss & Co. FERREIRA, CATHERINE M 3732 §103 Final Rejection Pending Mar 19, 2024
18589320 Magnesium-Based Alloy Foam Cellmo Materials Innovation, Inc. O'KEEFE, SEAN P 1738 §103 Non-Final OA 83d Pending Feb 27, 2024
18434710 Tissue Oximeter with Self-Calibration Vioptix, Inc. FARDANESH, MARJAN 3791 Other Non-Final OA Pending Feb 06, 2024
18398073 Zero Trust Data Gateway Xq Message Inc. DINH, KHANH Q 2458 §103 Final Rejection 29d Pending Dec 27, 2023
18488928 Oximeter Probe with Tissue Marking Vioptix, Inc. FARDANESH, MARJAN 3791 Other Final Rejection 14d Pending Oct 17, 2023
18463693 NEUTRAL HOST ARCHITECTURE FOR A DISTRIBUTED ANTENNA SYSTEM Dali Wireless, Inc. NGUYEN, BRIAN D 2475 Other Non-Final OA 49d overdue Pending Sep 08, 2023
18340627 OPTIMIZATION OF TRAFFIC LOAD IN A DISTRIBUTED ANTENNA SYSTEM Dali Wireless, Inc. SAMS, MATTHEW C 2646 §103 Final Rejection 85d overdue Pending Jun 23, 2023
18322523 Fuel Cell with Porous Metal Foam Cellmo Materials Innovation, Inc. BARROW, AMANDA J 1729 §112 Non-Final OA 12d Pending May 23, 2023
18306938 Three-Dimensional Preview of Design of Laser-Finished Garments Levi Strauss & Co. OCHOA, JUAN CARLOS §103 Non-Final OA Pending Apr 25, 2023
18047637 Handheld Oximeter with Display of Real-Time, Average Measurements and Status Indicator Vioptix, Inc. GLOVER, NELSON ALEXANDER 3791 §103 Final Rejection 4d overdue Pending Oct 18, 2022
18047640 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting Vioptix, Inc. CERIONI, DANIEL LEE 3791 §103 Non-Final OA 73d overdue Pending Oct 18, 2022
18047634 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting Vioptix, Inc. CERIONI, DANIEL LEE 3791 §103 Final Rejection 78d overdue Pending Oct 18, 2022
17931114 Determining Skin Complexion and Characteristics Sephora Usa, Inc. GEBRESLASSIE, WINTA 2677 §103 Final Rejection Pending Sep 09, 2022
17810278 Order Fulfillment System Levi Strauss & Co. BURSUM, KIMBERLY SUZANNE 3627 §101 Final Rejection 50d overdue Pending Jun 30, 2022
17659555 Three-Dimensional Printing Head Device and Ink Metalprinting Inc. DARNELL, BAILEIGH K 1743 §103 Non-Final OA Pending Apr 18, 2022
17261553 Rechargeable Lithium-Ion Battery with Metal-Foam Anode and Cathode Cellmo Materials Innovation, Inc. HORNSBY, BARTHOLOMEW ANDREW 1728 §103 Final Rejection Pending Jan 19, 2021
16880941 Copper Foam for Water Purification Cellmo Materials Innovation, Inc. ROYCE, LIAM A 1777 §103 Non-Final OA 30d Pending May 21, 2020

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