Search

Cao H. Nguyen

Examiner (ID: 4028, Phone: (571)272-4053 , Office: P/2171 )

Most Active Art Unit
2171
Art Unit(s)
2173, 2415, 2787, 2171, 2773
Total Applications
1947
Issued Applications
1666
Pending Applications
136
Abandoned Applications
167

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19365365 [patent_doc_number] => 20240267399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => Cyber Threat Defense System Protecting Email Networks with Machine Learning Models using a Range of Metadata from Observed Email Communications [patent_app_type] => utility [patent_app_number] => 18/603056 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603056
Cyber Threat Defense System Protecting Email Networks with Machine Learning Models using a Range of Metadata from Observed Email Communications Mar 11, 2024 Pending
Array ( [id] => 19287043 [patent_doc_number] => 20240223523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => ENDPOINT AGENT EXTENSION OF A MACHINE LEARNING CYBER DEFENSE SYSTEM FOR EMAIL [patent_app_type] => utility [patent_app_number] => 18/603064 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603064
ENDPOINT AGENT EXTENSION OF A MACHINE LEARNING CYBER DEFENSE SYSTEM FOR EMAIL Mar 11, 2024 Pending
Array ( [id] => 20125259 [patent_doc_number] => 20250240290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => Authentication using sequence of facial images [patent_app_type] => utility [patent_app_number] => 18/600670 [patent_app_country] => US [patent_app_date] => 2024-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600670 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600670
Authentication using sequence of facial images Mar 8, 2024 Pending
Array ( [id] => 20090072 [patent_doc_number] => 20250220008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => System and Method for Multi-PHY based MACsec over Secure Tunnels [patent_app_type] => utility [patent_app_number] => 18/594727 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18594727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594727
System and method for multi-PHY based MACsec over secure tunnels Mar 3, 2024 Issued
Array ( [id] => 20181373 [patent_doc_number] => 20250265331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => SYSTEM AND METHOD FOR INTEGRATIVE MONITORING OF ENTERPRISE APPLICATIONS AND DETECTION OF INCREASED DATA EXPOSURE [patent_app_type] => utility [patent_app_number] => 18/581787 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581787
SYSTEM AND METHOD FOR INTEGRATIVE MONITORING OF ENTERPRISE APPLICATIONS AND DETECTION OF INCREASED DATA EXPOSURE Feb 19, 2024 Pending
Array ( [id] => 19426868 [patent_doc_number] => 12086288 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-10 [patent_title] => Systems and methods for candidacy determinations and request processing while maintaining user data anonymity [patent_app_type] => utility [patent_app_number] => 18/443591 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 17667 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443591
Systems and methods for candidacy determinations and request processing while maintaining user data anonymity Feb 15, 2024 Issued
Array ( [id] => 20243101 [patent_doc_number] => 12423421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Generating simulated spear phishing messages and customized cybersecurity training modules using machine learning [patent_app_type] => utility [patent_app_number] => 18/435114 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4533 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 599 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435114 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435114
Generating simulated spear phishing messages and customized cybersecurity training modules using machine learning Feb 6, 2024 Issued
Array ( [id] => 20125141 [patent_doc_number] => 20250240172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => VERIFICATION METHODS AND APPARATUS THEREOF [patent_app_type] => utility [patent_app_number] => 18/419717 [patent_app_country] => US [patent_app_date] => 2024-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18419717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/419717
VERIFICATION METHODS AND APPARATUS THEREOF Jan 22, 2024 Pending
Array ( [id] => 19132025 [patent_doc_number] => 20240137378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => User Importance Metric for Email [patent_app_type] => utility [patent_app_number] => 18/400640 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400640 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400640
User Importance Metric for Email Dec 28, 2023 Pending
Array ( [id] => 19039914 [patent_doc_number] => 20240089729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SECURE MESSAGING FOR OUTAGE EVENTS [patent_app_type] => utility [patent_app_number] => 18/517948 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9073 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517948
SECURE MESSAGING FOR OUTAGE EVENTS Nov 21, 2023 Pending
Array ( [id] => 19174759 [patent_doc_number] => 20240160733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => GRAPH COMPARISON-BASED BEHAVIOR ANALYSIS [patent_app_type] => utility [patent_app_number] => 18/505390 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505390
GRAPH COMPARISON-BASED BEHAVIOR ANALYSIS Nov 8, 2023 Pending
Array ( [id] => 19383348 [patent_doc_number] => 20240273218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => APPARATUS AND METHOD WITH NEURAL NETWORK OPERATION OF HOMOMORPHIC ENCRYPTED DATA [patent_app_type] => utility [patent_app_number] => 18/498667 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498667
APPARATUS AND METHOD WITH NEURAL NETWORK OPERATION OF HOMOMORPHIC ENCRYPTED DATA Oct 30, 2023 Pending
Array ( [id] => 20259691 [patent_doc_number] => 12432059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Decentralized internet protocol security key negotiation [patent_app_type] => utility [patent_app_number] => 18/489317 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6271 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489317
Decentralized internet protocol security key negotiation Oct 17, 2023 Issued
Array ( [id] => 18942069 [patent_doc_number] => 20240037208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => DETERMINING AUTHENTICATION SUB-FLOW AND CLIENT AUTHENTICATION BASED ON TESTS TRANSMITTED TO SERVER-SIDE SOFTWARE [patent_app_type] => utility [patent_app_number] => 18/486581 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486581
DETERMINING AUTHENTICATION SUB-FLOW AND CLIENT AUTHENTICATION BASED ON TESTS TRANSMITTED TO SERVER-SIDE SOFTWARE Oct 12, 2023 Pending
Array ( [id] => 18928368 [patent_doc_number] => 20240031372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => PERFORMING SERVICES ON A HOST [patent_app_type] => utility [patent_app_number] => 18/372628 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372628
PERFORMING SERVICES ON A HOST Sep 24, 2023 Pending
Array ( [id] => 18897410 [patent_doc_number] => 20240012895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => WIRELESS KILL SWITCH [patent_app_type] => utility [patent_app_number] => 18/472510 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472510 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472510
Wireless kill switch Sep 21, 2023 Issued
Array ( [id] => 19794997 [patent_doc_number] => 12235946 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Virtual notarization using cryptographic techniques and biometric information [patent_app_type] => utility [patent_app_number] => 18/465959 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8198 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465959
Virtual notarization using cryptographic techniques and biometric information Sep 11, 2023 Issued
Array ( [id] => 20110400 [patent_doc_number] => 12361124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Unstructured text classification [patent_app_type] => utility [patent_app_number] => 18/233657 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6095 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233657
Unstructured text classification Aug 13, 2023 Issued
Array ( [id] => 18811080 [patent_doc_number] => 20230385416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SYSTEMS AND METHODS FOR CLASSIFYING MALWARE BASED ON FEATURE REUSE [patent_app_type] => utility [patent_app_number] => 18/447928 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447928
SYSTEMS AND METHODS FOR CLASSIFYING MALWARE BASED ON FEATURE REUSE Aug 9, 2023 Abandoned
Array ( [id] => 20440528 [patent_doc_number] => 12511365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Systems and methods for cross coupling risk analytics and one-time-passcodes [patent_app_type] => utility [patent_app_number] => 18/227433 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18227433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/227433
Systems and methods for cross coupling risk analytics and one-time-passcodes Jul 27, 2023 Issued
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