Search

Sikarl A. Witherspoon

Examiner (ID: 17066, Phone: (571)272-0649 , Office: P/1671 )

Most Active Art Unit
1621
Art Unit(s)
1692, 1671, 1622, 1621
Total Applications
3294
Issued Applications
2776
Pending Applications
182
Abandoned Applications
365

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18468688 [patent_doc_number] => 20230202970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => PROCESS OF PREPARING 3-FLUORO-5(((1R,2AR)-3,3,4,4-TETRAFLUORO-1,2A-DIHYDROXY-2,2A,3,4-TETRAHYDRO-1H-CYCLOPENTA[CD]INDEN-7-YL)-OXY)BENZONITRILE [patent_app_type] => utility [patent_app_number] => 18/177450 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177450 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177450
Process of preparing 3-fluoro-5(((1R,2AR)-3,3,4,4-tetrafluoro-1,2A-dihydroxy-2,2A,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)-oxy)benzonitrile Mar 1, 2023 Issued
Array ( [id] => 19536932 [patent_doc_number] => 12129473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Synthetic cannabinoid compounds for treatment of pain and anxiety [patent_app_type] => utility [patent_app_number] => 18/111822 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6975 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18111822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111822
Synthetic cannabinoid compounds for treatment of pain and anxiety Feb 19, 2023 Issued
Array ( [id] => 18987701 [patent_doc_number] => 20240059670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => THERAPEUTIC COMPOUNDS AND COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/170858 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 45508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18170858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/170858
Therapeutic compounds and compositions Feb 16, 2023 Issued
Array ( [id] => 19263526 [patent_doc_number] => 20240207223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => VITAMIN C PREPARATION [patent_app_type] => utility [patent_app_number] => 18/108509 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/108509
VITAMIN C PREPARATION Feb 9, 2023 Pending
Array ( [id] => 18552034 [patent_doc_number] => 20230250040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => OPTIMIZED THERMAL SEPARATION BY PRIOR GAS EXCHANGE [patent_app_type] => utility [patent_app_number] => 18/165245 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165245 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165245
Optimized thermal separation by prior gas exchange Feb 5, 2023 Issued
Array ( [id] => 19897794 [patent_doc_number] => 12275696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Process for preparing tapinarof [patent_app_type] => utility [patent_app_number] => 18/164309 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 15975 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164309
Process for preparing tapinarof Feb 2, 2023 Issued
Array ( [id] => 18628079 [patent_doc_number] => 20230286903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => BRANCHED TAIL LIPID COMPOUNDS AND COMPOSITIONS FOR INTRACELLULAR DELIVERY OF THERAPEUTIC AGENTS [patent_app_type] => utility [patent_app_number] => 18/164136 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 67862 [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] => 18164136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164136
Branched tail lipid compounds and compositions for intracellular delivery of therapeutic agents Feb 2, 2023 Issued
Array ( [id] => 19397081 [patent_doc_number] => 12071422 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Process for synthesis of quinazoline compounds [patent_app_type] => utility [patent_app_number] => 18/164302 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 19534 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164302
Process for synthesis of quinazoline compounds Feb 2, 2023 Issued
Array ( [id] => 18537423 [patent_doc_number] => 20230242515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => CRYSTALLINE FORM OF 6-(CYCLOPROPANECARBOXAMIDO)-4-((2-METHOXY-3-(1-METHYL-1H-1,2,4-TRIAZOL-3-YL)PHENYL)AMINO)-N-(METHYL-D3) PYRIDAZINE-3-CARBOXAMIDE [patent_app_type] => utility [patent_app_number] => 18/102761 [patent_app_country] => US [patent_app_date] => 2023-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18102761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/102761
Crystalline form of 6-(cyclopropanecarboxamido)-4-((2-methoxy-3-(1-methyl-1H-1,2,4-triazol-3-yl)phenyl)amino)-n-(methyl-D3) pyridazine-3-carboxamide Jan 28, 2023 Issued
Array ( [id] => 19027287 [patent_doc_number] => 11926634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Processes for the preparation of selective estrogen receptor degraders [patent_app_type] => utility [patent_app_number] => 18/160457 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 21651 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160457
Processes for the preparation of selective estrogen receptor degraders Jan 26, 2023 Issued
Array ( [id] => 19982748 [patent_doc_number] => 20250120970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => PHARMACEUTICAL COMPOSITION INCLUDING PHTHALAZINONE DERIVATIVE FOR CO-ADMINISTRATION WITH ANTICANCER DRUG [patent_app_type] => utility [patent_app_number] => 18/730930 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18730930 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/730930
PHARMACEUTICAL COMPOSITION INCLUDING PHTHALAZINONE DERIVATIVE FOR CO-ADMINISTRATION WITH ANTICANCER DRUG Jan 24, 2023 Pending
Array ( [id] => 19816641 [patent_doc_number] => 20250074848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => PREPARATION METHOD OF TRANS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE [patent_app_type] => utility [patent_app_number] => 18/575384 [patent_app_country] => US [patent_app_date] => 2023-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18575384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/575384
PREPARATION METHOD OF TRANS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE Jan 16, 2023 Pending
Array ( [id] => 18529906 [patent_doc_number] => 20230234973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => INTERMEDIATE, PREPARING METHOD THEREOF, AND METHOD OF PREPARING DRUG [patent_app_type] => utility [patent_app_number] => 18/154917 [patent_app_country] => US [patent_app_date] => 2023-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18154917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154917
INTERMEDIATE, PREPARING METHOD THEREOF, AND METHOD OF PREPARING DRUG Jan 15, 2023 Pending
Array ( [id] => 19594225 [patent_doc_number] => 12152055 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Systems for removal of detergents from aqueous solutions [patent_app_type] => utility [patent_app_number] => 18/094663 [patent_app_country] => US [patent_app_date] => 2023-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 27 [patent_no_of_words] => 5588 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18094663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/094663
Systems for removal of detergents from aqueous solutions Jan 8, 2023 Issued
Array ( [id] => 19281435 [patent_doc_number] => 20240217909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => STABILIZING ACROLEIN IN CARBONATE SOLVENTS [patent_app_type] => utility [patent_app_number] => 18/091350 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091350 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/091350
Stabilizing acrolein in carbonate sol vents Dec 28, 2022 Issued
Array ( [id] => 19998344 [patent_doc_number] => 20250136566 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => FURAN DICARBOXYLIC ACID COMPOUND, METHOD FOR PREPARING FURAN DICARBOXYLIC ACID COMPOUND, POLYESTER, AND MEHTOD FOR PREPARING POLYESTER [patent_app_type] => utility [patent_app_number] => 18/722810 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18722810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/722810
FURAN DICARBOXYLIC ACID COMPOUND, METHOD FOR PREPARING FURAN DICARBOXYLIC ACID COMPOUND, POLYESTER, AND MEHTOD FOR PREPARING POLYESTER Dec 22, 2022 Pending
Array ( [id] => 18451455 [patent_doc_number] => 20230192733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => SUBSTITUTED PHENYL ET458HYNYL PYRIDINE CARBOXAMIDES AS POTENT INHIBITORS OF SARS VIRUS [patent_app_type] => utility [patent_app_number] => 18/086445 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 78820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 857 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18086445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086445
Substituted phenyl ethynyl pyridine carboxamides as potent inhibitors of SARS virus Dec 20, 2022 Issued
Array ( [id] => 20007396 [patent_doc_number] => 20250145618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Crystalline Forms of (R)-1-(1-Acryloylpiperidin-3-YL)-4-Amino-3-(4-Phenoxyphenyl)-1H-Imidazo[4,5-C]Pyridin-2(3H)-One and salts Thereof [patent_app_type] => utility [patent_app_number] => 18/722486 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18722486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/722486
Crystalline Forms of (R)-1-(1-Acryloylpiperidin-3-YL)-4-Amino-3-(4-Phenoxyphenyl)-1H-Imidazo[4,5-C]Pyridin-2(3H)-One and salts Thereof Dec 19, 2022 Pending
Array ( [id] => 18522844 [patent_doc_number] => 20230233493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => OPHTHALMIC PHARMACEUTICAL COMPOSITIONS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/082844 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12468 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082844
Ophthalmic pharmaceutical compositions and uses thereof Dec 15, 2022 Issued
Array ( [id] => 18451306 [patent_doc_number] => 20230192583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Process for hydroformylation of olefins using Pt and iodine or bromine [patent_app_type] => utility [patent_app_number] => 18/064948 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18064948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/064948
Process for hydroformylation of olefins using Pt and iodine or bromine Dec 12, 2022 Issued
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