Prosecution Insights
Last updated: October 02, 2026

Darktrace Holdings Limited

Technology area: Networking & Security

30 pending office actions • 17 art units • 27 examiners • 0 of 30 (0%) have an AI response strategy ready • 30 patents granted in the last 365 days

Analysis

Darktrace Holdings Limited maintains 27 pending office actions in the Networking & Security technology area. These actions are distributed across 15 distinct art units, reflecting a wide-ranging technical footprint within the security sector. The 27 pending office actions are being reviewed by 25 distinct examiners, showing that the company's prosecution workload is spread broadly across the patent office's staff.

BROWN, CHRISTOPHER J is the busiest examiner for the portfolio, currently managing 2 pending office actions. The involvement of 15 distinct art units indicates that the company's Networking & Security innovations touch upon many different technical classifications. With 25 distinct examiners, the company must coordinate across many individual reviewers. This volume of active matters and the diversity of art units suggest a complex patent strategy that requires managing many simultaneous prosecution tracks, including the 2 pending office actions assigned to BROWN, CHRISTOPHER J.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

30
Total Pending OAs
13
Non-Final OAs
16
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 9 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

5
Overdue
1
Due this week
1
Due this month
2
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. 9 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (5)Due ≤ 7 days (1)Due ≤ 30 days (1)Due ≤ 60 days (2)

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.

16
Hard (53%)
12
Medium (40%)
2
Easy (7%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (3%)
§101 + other6 (20%)
§103 only7 (23%)
§102 only1 (3%)
Double-patenting only2 (7%)
Double-patenting + other4 (13%)
Multi-statute (no §101)9 (30%)

Industry Mix

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

0
Life Sciences
0% of docket
20
Information Tech
67% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
3% of docket
9
Business / Other
30% 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
BROWN, CHRISTOPHER J 3 75.6% +12.6%
CHAO, MICHAEL W 2 70.1% +39.7%
AHMED, MAHABUB S 1 84.7% +9.5%
TABOR, AMARE F 1 82.9% +23.1%
TRAN, VU V 1 89.9% +16.7%
LEE, MICHAEL M 1 84.2% +37.5%
WRIGHT, BRYAN F 1 78.2% +24.1%
CHAI, LONGBIT 1 87.9% +31.2%
LE, THANH T 1 83.0% +32.8%
LEWIS, LISA C 1 80.8% +15.6%

Quick Wins (4)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
19207158 INTELLIGENT ADVERSARY SIMULATOR AHMED, MAHABUB S —
19207141 Capturing Importance In A Network Using Graph Theory TABOR, AMARE F —
19207151 INTERACTIVE ARTIFICIAL INTELLIGENCE-BASED RESPONSE LOOP TO A CYBERATTACK TRAN, VU V —
18988523 CYBER SECURITY USING MODELS INCLUDING A MODEL TRAINED ON A NORMAL BEHAVIOR LEWIS, LISA C —

Hard Cases (16)

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
18678545 INTERACTIVE EXTENSION FOR A CYBERSECURITY APPLIANCE DAILEY, THOMAS J 51d overdue
18630896 TREATING DATA FLOWS DIFFERENTLY BASED ON LEVEL OF INTEREST HERZOG, MADHURI R 10d overdue
18908203 ARTIFICIAL INTELLIGENCE BASED CYBERSECURITY SYSTEM FOR MONITORING AUTOMOTIVE ECOSYSTEMS POLTORAK, PIOTR 7d
18603064 ENDPOINT AGENT EXTENSION OF A MACHINE LEARNING CYBER DEFENSE SYSTEM FOR EMAIL CHAO, MICHAEL W 13d
18207058 ANALYSES AND AGGREGATION OF DOMAIN BEHAVIOR FOR EMAIL THREAT DETECTION BY A CYBER SECURITY SYSTEM CELANI, NICHOLAS P 34d
19058620 PRE-DEPLOYMENT DETECTION AND RESPONSE LEE, MICHAEL M —
19053216 ARTIFICIAL INTELLIGENCE BASED ANALYST AS AN EVALUATOR CHAI, LONGBIT —
19034288 DETECTION AND DEOBFUSCATION OF BARCODES SUCH AS QR CODES LE, THANH T —

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
18373157 METHOD FOR SHARING CYBERSECURITY THREAT ANALYSIS AND DEFENSIVE MEASURES AMONGST A COMMUNITY BROWN, CHRISTOPHER J 70d overdue
18603064 ENDPOINT AGENT EXTENSION OF A MACHINE LEARNING CYBER DEFENSE SYSTEM FOR EMAIL CHAO, MICHAEL W 13d
19292707 ARTIFICIAL INTELLIGENCE CYBER SECURITY ANALYST BROWN, CHRISTOPHER J —
19207141 Capturing Importance In A Network Using Graph Theory TABOR, AMARE F —
19207151 INTERACTIVE ARTIFICIAL INTELLIGENCE-BASED RESPONSE LOOP TO A CYBERATTACK TRAN, VU V —
19058620 PRE-DEPLOYMENT DETECTION AND RESPONSE LEE, MICHAEL M —
19058581 MACHINE LEARNING ANALYZING NON-STANDARD CONFIGURATIONS FOR CYBER SECURITY PURPOSES WRIGHT, BRYAN F —
19053216 ARTIFICIAL INTELLIGENCE BASED ANALYST AS AN EVALUATOR CHAI, LONGBIT —

Top Art Units

Art UnitApps
2495 3
2492 3
2435 2
2439 2
4100 1
2432 1
2433 1
2409 1
2458 1
2496 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19292707 ARTIFICIAL INTELLIGENCE CYBER SECURITY ANALYST BROWN, CHRISTOPHER J — §103Other Non-Final OA — Pending Aug 06, 2025
19207158 INTELLIGENT ADVERSARY SIMULATOR AHMED, MAHABUB S — §112DP Non-Final OA — Pending May 13, 2025
19207141 Capturing Importance In A Network Using Graph Theory TABOR, AMARE F — DP Non-Final OA — Pending May 13, 2025
19207151 INTERACTIVE ARTIFICIAL INTELLIGENCE-BASED RESPONSE LOOP TO A CYBERATTACK TRAN, VU V — DP Non-Final OA — Pending May 13, 2025
19058620 PRE-DEPLOYMENT DETECTION AND RESPONSE LEE, MICHAEL M — §101§103§112 Non-Final OA — Pending Feb 20, 2025
19058581 MACHINE LEARNING ANALYZING NON-STANDARD CONFIGURATIONS FOR CYBER SECURITY PURPOSES WRIGHT, BRYAN F — §103 Non-Final OA — Pending Feb 20, 2025
19053216 ARTIFICIAL INTELLIGENCE BASED ANALYST AS AN EVALUATOR CHAI, LONGBIT — §101§102 Non-Final OA — Pending Feb 13, 2025
19034288 DETECTION AND DEOBFUSCATION OF BARCODES SUCH AS QR CODES LE, THANH T 4100 §101§102§103§112 Non-Final OA — Pending Jan 22, 2025
18988523 CYBER SECURITY USING MODELS INCLUDING A MODEL TRAINED ON A NORMAL BEHAVIOR LEWIS, LISA C 2495 §103§112DP Final Rejection — Pending Dec 19, 2024
18936546 VOICE CLONING DETECTION AND TRAINING SYSTEM FOR A CYBER SECURITY SYSTEM SHAUGHNESSY, AIDAN EDWARD 2432 §101§103§112 Final Rejection — Pending Nov 04, 2024
18908203 ARTIFICIAL INTELLIGENCE BASED CYBERSECURITY SYSTEM FOR MONITORING AUTOMOTIVE ECOSYSTEMS POLTORAK, PIOTR 2433 §102§103 Final Rejection 7d Pending Oct 07, 2024
18908111 CLOUD-BASED CYBER SECURITY AND METHODS OF OPERATION ZEE, EDWARD 2435 §102 Final Rejection — Pending Oct 07, 2024
18900360 ANOMALY ALERT SYSTEM FOR CYBER THREAT DETECTION PYZOCHA, MICHAEL J 2409 §103DP Final Rejection 28d overdue Pending Sep 27, 2024
18778125 CYBER SECURITY SCENARIOS WITH SIMULATED INCIDENTS BROWN, CHRISTOPHER J 2439 §101§103 Final Rejection — Pending Jul 19, 2024
18737564 SYSTEM AND METHOD FOR UTILIZING LARGE LANGUAGE MODELS AS A LOGICAL COMPONENT TO ENHANCE REACTIVE AND PROACTIVE SECURITY WITHIN A CYBERSECURITY SYSTEM GYORFI, THOMAS A 2435 §103 Non-Final OA — Pending Jun 07, 2024
18678524 SYSTEM AND METHOD FOR ADJUSTING OR CREATING AI MODELS BASED ON MODEL BREACH ALERTS BAZNA, JUDY 2495 §102§103 Final Rejection — Pending May 30, 2024
18678545 INTERACTIVE EXTENSION FOR A CYBERSECURITY APPLIANCE DAILEY, THOMAS J 2458 §102§103 Final Rejection 51d overdue Pending May 30, 2024
18678461 CYBER SECURITY TRAINING TOOL THAT USES A LARGE LANGUAGE MODEL FARAMARZI, GITA 2496 §101§103§112 Final Rejection — Pending May 30, 2024
18630896 TREATING DATA FLOWS DIFFERENTLY BASED ON LEVEL OF INTEREST HERZOG, MADHURI R 2438 §102§103Other Non-Final OA 10d overdue Pending Apr 09, 2024
18618962 MULTI-STAGE ANOMALY DETECTION FOR PROCESS CHAINS IN MULTI-HOST ENVIRONMENTS ABDULLAH, SAAD AHMAD 2431 §103 Final Rejection — Pending Mar 27, 2024
18603064 ENDPOINT AGENT EXTENSION OF A MACHINE LEARNING CYBER DEFENSE SYSTEM FOR EMAIL CHAO, MICHAEL W 2492 §103§112Other Final Rejection 13d Pending Mar 12, 2024
18373157 METHOD FOR SHARING CYBERSECURITY THREAT ANALYSIS AND DEFENSIVE MEASURES AMONGST A COMMUNITY BROWN, CHRISTOPHER J 2439 §103Other Final Rejection 70d overdue Pending Sep 26, 2023
18244004 INTELLIGENT ADVERSARY SIMULATOR COPPOLA, JACOB C 3992 §102§112Other Non-Final OA — Pending Sep 08, 2023
18231710 INTERACTIVE CYBER SECURITY USER INTERFACE STRAUB, D'ARCY WINSTON 2491 §103§112 Final Rejection — Pending Aug 08, 2023
18219552 MALICIOUS SITE DETECTION FOR A CYBER THREAT RESPONSE SYSTEM CHAO, MICHAEL W 2492 §103DP Non-Final OA — Pending Jul 07, 2023
18207058 ANALYSES AND AGGREGATION OF DOMAIN BEHAVIOR FOR EMAIL THREAT DETECTION BY A CYBER SECURITY SYSTEM CELANI, NICHOLAS P 2449 §103§112 Final Rejection 34d Pending Jun 07, 2023
18207061 Unifying of the network device entity and the user entity for better cyber security modeling along with ingesting firewall rules to determine pathways through a network GREENE, JOSEPH L 2443 §103 Non-Final OA 154d overdue Pending Jun 07, 2023
17976678 Educational Tool for Business and Enterprise Risk Management KNIGHT, LETORIA G 3623 §101 Final Rejection — Pending Oct 28, 2022
17859854 CYBER SECURITY SANDBOX ENVIRONMENT DAVIS, ZACHARY A 2492 §102§112 Final Rejection — Pending Jul 07, 2022
17187385 APPARATUS AND METHOD FOR A CYBER-THREAT DEFENSE SYSTEM OLAEGBE, MUDASIRU K 2495 §103 Non-Final OA 60d Pending Feb 26, 2021

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