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David Severin

Examiner (ID: 4156)

Most Active Art Unit
2303
Art Unit(s)
2303, 2512
Total Applications
554
Issued Applications
488
Pending Applications
0
Abandoned Applications
66

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20618804 [patent_doc_number] => 20260088908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => DEMODULATION OF PHASE- OR FREQUENCY-MODULATED OPTICAL SIGNALS USING RING RESONATORS [patent_app_type] => utility [patent_app_number] => 18/893629 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18893629 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893629
DEMODULATION OF PHASE- OR FREQUENCY-MODULATED OPTICAL SIGNALS USING RING RESONATORS Sep 22, 2024 Pending
Array ( [id] => 20618796 [patent_doc_number] => 20260088900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => SYSTEMS AND METHODS FOR FIBER LINE MONITORING [patent_app_type] => utility [patent_app_number] => 18/891956 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18891956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/891956
SYSTEMS AND METHODS FOR FIBER LINE MONITORING Sep 19, 2024 Pending
Array ( [id] => 19836499 [patent_doc_number] => 20250088285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => METHOD AND APPARATUS FOR CHROMATIC DISPERSION COMPENSATION [patent_app_type] => utility [patent_app_number] => 18/829275 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829275
METHOD AND APPARATUS FOR CHROMATIC DISPERSION COMPENSATION Sep 8, 2024 Pending
Array ( [id] => 19919021 [patent_doc_number] => 12294407 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-06 [patent_title] => Systems and methods for fiber upstream trace determination [patent_app_type] => utility [patent_app_number] => 18/800598 [patent_app_country] => US [patent_app_date] => 2024-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 17311 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18800598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/800598
Systems and methods for fiber upstream trace determination Aug 11, 2024 Issued
Array ( [id] => 20398487 [patent_doc_number] => 20250373962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => SWITCH SYSTEM, SWITCH APPARATUS, AND LINEAR DRIVE PLUGGABLE OPTICS APPARATUS [patent_app_type] => utility [patent_app_number] => 18/772779 [patent_app_country] => US [patent_app_date] => 2024-07-15 [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] => -7 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772779
SWITCH SYSTEM, SWITCH APPARATUS, AND LINEAR DRIVE PLUGGABLE OPTICS APPARATUS Jul 14, 2024 Pending
Array ( [id] => 19771538 [patent_doc_number] => 20250052964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => OPTICAL DEVICE AND OPTICAL TRANSCEIVER [patent_app_type] => utility [patent_app_number] => 18/762232 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18762232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762232
OPTICAL DEVICE AND OPTICAL TRANSCEIVER Jul 1, 2024 Pending
18/721336 TRANSMITTER, RECEIVER, AND CONTROL METHOD Jun 17, 2024 Pending
Array ( [id] => 19469237 [patent_doc_number] => 20240322907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => OPTICAL REPEATER DEVICE AND RELAY METHOD [patent_app_type] => utility [patent_app_number] => 18/735617 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735617 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735617
OPTICAL REPEATER DEVICE AND RELAY METHOD Jun 5, 2024 Pending
Array ( [id] => 19465776 [patent_doc_number] => 20240319446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => BIDIRECTIONAL FILTER [patent_app_type] => utility [patent_app_number] => 18/731659 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5360 [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] => 18731659 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731659
BIDIRECTIONAL FILTER Jun 2, 2024 Abandoned
Array ( [id] => 19553230 [patent_doc_number] => 12136949 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-05 [patent_title] => Enhanced subranging electro-optic modulator (SEOM) for high dynamic range applications [patent_app_type] => utility [patent_app_number] => 18/680843 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 16890 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18680843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680843
Enhanced subranging electro-optic modulator (SEOM) for high dynamic range applications May 30, 2024 Issued
Array ( [id] => 20398488 [patent_doc_number] => 20250373963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => EXTENDED DELIMITER FOR BURST MODE COMMUNICATIONS [patent_app_type] => utility [patent_app_number] => 18/680706 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18680706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680706
EXTENDED DELIMITER FOR BURST MODE COMMUNICATIONS May 30, 2024 Pending
Array ( [id] => 20368197 [patent_doc_number] => 20250358009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => METHOD AND SYSTEM FOR MONITORING NON-LINEAR EFFECTS ALONG AN OPTICAL COMMUNICATION LINE [patent_app_type] => utility [patent_app_number] => 18/663406 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663406 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663406
METHOD AND SYSTEM FOR MONITORING NON-LINEAR EFFECTS ALONG AN OPTICAL COMMUNICATION LINE May 13, 2024 Pending
Array ( [id] => 19365239 [patent_doc_number] => 20240267273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => SIGNAL TRANSMISSION METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/620140 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18620140 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620140
SIGNAL TRANSMISSION METHOD AND APPARATUS Mar 27, 2024 Pending
Array ( [id] => 19486055 [patent_doc_number] => 20240334097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => PON WITH ACTIVE ADAPTION OF OPTICAL DISTRIBUTION NETWORK [patent_app_type] => utility [patent_app_number] => 18/606682 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18606682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/606682
PON WITH ACTIVE ADAPTION OF OPTICAL DISTRIBUTION NETWORK Mar 14, 2024 Pending
Array ( [id] => 19270362 [patent_doc_number] => 20240214068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => OPTICAL TRANSCEIVER TUNING USING MACHINE LEARNING [patent_app_type] => utility [patent_app_number] => 18/595085 [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] => 4076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18595085 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/595085
OPTICAL TRANSCEIVER TUNING USING MACHINE LEARNING Mar 3, 2024 Abandoned
Array ( [id] => 19843274 [patent_doc_number] => 12255682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Optical time-domain reflectometer (OTDR) including channel checker [patent_app_type] => utility [patent_app_number] => 18/587453 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5910 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587453
Optical time-domain reflectometer (OTDR) including channel checker Feb 25, 2024 Issued
Array ( [id] => 19720906 [patent_doc_number] => 12206455 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-21 [patent_title] => Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications [patent_app_type] => utility [patent_app_number] => 18/585565 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 11310 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585565 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585565
Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications Feb 22, 2024 Issued
Array ( [id] => 19307089 [patent_doc_number] => 20240235669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SYSTEMS AND METHODS FOR TUNING AND MEASURING A DEVICE UNDER TEST USING MACHINE LEARNING [patent_app_type] => utility [patent_app_number] => 18/582609 [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] => 18340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582609
SYSTEMS AND METHODS FOR TUNING AND MEASURING A DEVICE UNDER TEST USING MACHINE LEARNING Feb 19, 2024 Pending
Array ( [id] => 20140123 [patent_doc_number] => 20250247167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Conditional Codeword Decoding Using Packet Headers [patent_app_type] => utility [patent_app_number] => 18/426892 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18426892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/426892
Conditional Codeword Decoding Using Packet Headers Jan 29, 2024 Pending
Array ( [id] => 19350145 [patent_doc_number] => 20240259109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Perturbation Based Hard Decision Nonlinearity Compensation [patent_app_type] => utility [patent_app_number] => 18/421898 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18421898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421898
Perturbation Based Hard Decision Nonlinearity Compensation Jan 23, 2024 Pending
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