Metropolitan Invention Summary
Baltimore-Towson, MD [12580] National Rank: 17

Last Refreshed: Jul 29 2025 3:44AM

Yearly Summary:
YearInventorsPatentsAssigneesAvg Pats/AssignPatent Classes
2014 691 420 131 3.2 69
2015 617 385 115 3.3 111
2016 702 439 120 3.7 101
2017 708 450 136 3.3 107
2018 633 381 115 3.3 104
2019 775 497 126 3.9 106
2020 865 546 157 3.5 115
2021 752 429 140 3.1 124
2022 750 432 141 3.1 106
2023 700 409 136 3.0 109
2024 769 428 139 3.1 108
2025 578 258 93 2.8 85


Of the 91,570 companies filing tax returns in this metro region, 791 (0.90%) of those are companies with patents.

Patent Type Summary:
TypePatentsPercentage
Utility 4983 92.8 %
Design 383 7.1 %
Reissue 5 .1 %


Patent Class Summary:
ClassPatentsPercentage
[A61K] PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J 3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) 569 10.6 %
[A61B] DIAGNOSIS; SURGERY; IDENTIFICATION (analysing biological material G01N, e.g. G01N 33/48) 371 6.9 %
[H04L] TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) [4] 221 4.1 %
[G01N] INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) 191 3.6 %
[G06F] ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) 173 3.2 %
[C07K] PEPTIDES (peptides containing ß-lactam rings C07D; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, C07D; ergot alkaloids of the cyclic peptide type C07D 519/02; single cell proteins, enzymes C12N; genetic engineering processes for obtaining peptides C12N 15/00) [4] 155 2.9 %
[C12Q] MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICROORGANISMS (immunoassay G01N 33/53); COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES [3] 153 2.8 %
[C12N] MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF (biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, enzymes, fermentates, or substances produced by, or extracted from, microorganisms or animal material A01N 63/00; medicinal preparations A61K; fertilisers C05F); PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA (microbiological testing media C12Q 1/00) [3] 121 2.3 %
[H04B] TRANSMISSION [4] 96 1.8 %
[A61F] FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) [2006.01] 94 1.8 %
[H04W] WIRELESS COMMUNICATION NETWORKS [2009.01] 89 1.7 %
[C07D] HETEROCYCLIC COMPOUNDS (macromolecular compounds C08) [2] 86 1.6 %
[G16H] HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA 70 1.3 %
[G06T] IMAGE DATA PROCESSING OR GENERATION, IN GENERAL [2006.01] 68 1.3 %
[A41D] OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES (eye or ear protectors A61F 9/00, A61F 11/00; sweating suits A61H 36/00) 67 1.2 %
[A43B] CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR 66 1.2 %
[A61M] DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D 7/00; means for inserting tampons A61F 13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J 1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L; magnetotherapy using magnetic elements placed within the body A61N 2/10); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR [5] 63 1.2 %
[A61N] ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B 18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infra-red radiators for heating H05B) [6] 53 1.0 %
[G06Q] DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR [2006.01] 52 1.0 %
[B01J] CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS (processes or apparatus for specific applications, see the relevant places for these processes or apparatus, e.g. F26B 3/08) [2] 50 .9 %
[A63B] APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) 48 .9 %
[A61L] METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agent employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toilet purposes A61K) [4] 47 .9 %
[G09B] EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 43 .8 %
[G01R] MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J 3/12) 42 .8 %
[C07C] ACYCLIC OR CARBOCYCLIC COMPOUNDS (macromolecular compounds C08; production of organic compounds by electrolysis or electrophoresis C25B 3/00, C25B 7/00) 36 .7 %


Assignee Summary:
AssigneeLocationPatentsDominant
Art Class		Percentage
The Johns Hopkins University Baltimore, MD 1745 A61K (327) 32.5 %
Under Armour Baltimore, MD 432 A43B (64) 8.0 %
University of Maryland Baltimore Baltimore, MD 374 A61K (102) 7.0 %
Ciena Hanover, MD 115 H04L (29) 2.1 %
University of Maryland Baltimore County Baltimore, MD 87 G01N (12) 1.6 %
TeleCommunication Systems Annapolis, MD 71 H04W (25) 1.3 %
The John Hopkins University Baltimore, MD 54 A61K (12) 1.0 %
Thermochem Recovery International Baltimore, MD 50 C01B (13) .9 %
Baltimore Aircoil Jessup, MD 44 F28F (14) .8 %
EVAPCO Taneytown, MD 43 F28B (10) .8 %
iBiquity Digital Columbia, MD 41 H04L (12) .8 %
WellDoc Columbia, MD 39 G16H (24) .7 %
Morgan State University Baltimore, MD 34 C12N (4) .6 %
Applied Nanostructured Solutions Baltimore, MD 33 .6 %
LINK LABS Annapolis, MD 28 H04W (17) .5 %
Vorbeck Materials Jessup, MD 28 H04M (5) .5 %
ZeroFOX Baltimore, MD 27 H04L (18) .5 %
W. R. Grace -Conn. Columbia, MD 26 B01J (7) .5 %
TheraPearl Columbia, MD 25 .5 %
Enveil Fulton, MD 25 H04L (20) .5 %
AAI Hunt Valley, MD 24 .4 %
Osiris Therapeutics Columbia, MD 24 A61K (16) .4 %
Advanced BioNutrition Columbia, MD 23 A61K (12) .4 %
Serio-US Industries Baltimore, MD 22 B65F (21) .4 %
MRA Systems Baltimore, MD 21 F02C (6) .4 %


Top Inventor Summary: (All Genders)
InventorGenderInventor
Location		AssigneeAssignee
Location		PatentsDominant
Art Class		Percentage
Bert Vogelstein Male Baltimore, MD The Johns Hopkins University Baltimore, MD 88 C12Q (55) 1.6 %
Kenneth W. Kinzler Male Baltimore, MD The Johns Hopkins University Baltimore, MD 71 C12Q (51) 1.3 %
Nickolas Papadopoulos Male Towson, MD The Johns Hopkins University Baltimore, MD 52 C12Q (37) 1.0 %
Michael Y. Frankel Male Baltimore, MD Ciena Hanover, MD 47 .9 %
Martin G. Pomper Male Baltimore, MD The Johns Hopkins University Baltimore, MD 46 A61K (30) .9 %
David Dombrow Male Baltimore, MD Under Armour Baltimore, MD 44 .8 %
Ravi Chandran Male Ellicott City, MD Thermochem Recovery International Baltimore, MD 43 C01B (13) .8 %
Daniel Michael Leo Male Baltimore, MD ThermoChem Recovery International Baltimore, MD 39 C01B (13) .7 %
Russell H. Taylor Male Severna Park, MD The Johns Hopkins University Baltimore, MD 37 A61B (23) .7 %
Daniel A. Burciaga Male Manchester, MD ThermoChem Recovery International Baltimore, MD 35 C01B (12) .7 %
F. Grant Kovach Unknown Baltimore, MD Under Armour Baltimore, MD 34 A63B (8) .6 %
Justin Hanes Male Baltimore, MD The Johns Hopkins University Baltimore, MD 33 A61K (33) .6 %
Alan Guyan Male Baltimore, MD Under Armour Baltimore, MD 31 A43B (26) .6 %
Jason Berns Male Baltimore, MD Under Armour Baltimore, MD 30 A41D (10) .6 %
Vladimir Pelekhaty Male Baltimore, MD Ciena Hanover, MD 27 H04L (10) .5 %
Jeffrey H. Siewerdsen Male Baltimore, MD The Johns Hopkins University Baltimore, MD 24 A61B (15) .4 %
Alla Danilkovitch Female Columbia, MD Osiris Therapeutics Columbia, MD 24 A61K (16) .4 %
Brian W. Kroeger Male Sykesville, MD iBiquity Digital Columbia, MD 24 H04L (12) .4 %
John P. Toscano Male Glen Arm, MD The Johns Hopkins University Baltimore, MD 24 C07C (12) .4 %
Michael Glancy Male Baltimore, MD Under Armour Baltimore, MD 24 .4 %
Sangeeta Ray Female Ellicott City, MD THE JOHNS HOPKINS UNIVERSITY Baltimore, MD 23 A61K (14) .4 %
David Andrew Aaron Male Reisterstown, MD Baltimore Aircoil Jessup, MD 23 F28C (11) .4 %
Hamilton Sean Michael Whitney Male Baltimore, MD Thermochem Recovery International Baltimore, MD 23 C01B (13) .4 %
David L. Reeb Male Sykesville, MD Serio-US Industries Baltimore, MD 22 B65F (21) .4 %
Julian McClain Male Baltimore, MD Under Armour Baltimore, MD 22 .4 %


Top Inventor Summary: (Females Only)
InventorGenderInventor
Location		AssigneeAssignee
Location		PatentsDominant
Art Class		Percent
of Patents
Alla Danilkovitch Female Columbia, MD Osiris Therapeutics Columbia, MD 24 A61K (16) .4 %
Sangeeta Ray Female Ellicott City, MD THE JOHNS HOPKINS UNIVERSITY Baltimore, MD 23 A61K (14) .4 %
Barbara Slusher Female Kingsville, MD THE JOHNS HOPKINS UNIVERSITY Baltimore, MD 19 A61K (10) .4 %
Ellison Anne Williams Female Fulton, MD Enveil Fulton, MD 19 H04L (15) .4 %
Carol Baltazar Female Glenwood, MD TheraPearl Columbia, MD 17 .3 %
Merida Miller Female Baltimore, MD Under Armour Baltimore, MD 17 .3 %
Morgana M. Trexler Female Baltimore, MD The Johns Hopkins University Baltimore, MD 13 .2 %
Jennifer H. Elisseeff Female Baltimore, MD The Johns Hopkins University Baltimore, MD 13 A61K (4) .2 %
Jennifer Michelle Marconi Female Glen Burnie, MD Osiris Therapeutics Columbia, MD 12 A61K (12) .2 %
Malinda Peeples Female Columbia, MD Welldoc Columbia, MD 12 A61B (7) .2 %
Helen Zinreich Shafer Female Owings Mills, MD IZI Medical Products Owings Mills, MD 12 .2 %
Natalia A. Trayanova Female Baltimore, MD The Johns Hopkins University Baltimore, MD 11 A61B (10) .2 %
Sian Jones Female Baltimore, MD The Johns Hopkins University Baltimore, MD 11 C12Q (9) .2 %
Leah Tolosa Female Columbia, MD University of Maryland Baltimore County Baltimore, MD 10 C12M (7) .2 %
Kate Redmond Female Baltimore, MD Vorbeck Materials Jessup, MD 10 C08K (4) .2 %
Carol J. Braun Female Ellicott City, MD Lupin Baltimore, MD 9 A61K (9) .2 %
Kathleen A. Turano Female Baltimore, MD Plant Sensory Systems Baltimore, MD 8 .1 %
Laura Ensign Female Towson, MD The Johns Hopkins University Baltimore, MD 8 A61K (10) .1 %
Marcia W. Patchan Female Columbia, MD The Johns Hopkins University Baltimore, MD 8 A61K (3) .1 %
Mari Lucero Female Baltimore, MD Under Armour Baltimore, MD 8 A41D (4) .1 %
Sharon Gerecht Female Baltimore, MD The Johns Hopkins University Baltimore, MD 8 C12N (7) .1 %
Rana Rais Female West Friendship, MD THE JOHNS HOPKINS UNIVERSITY Baltimore, MD 8 C07F (7) .1 %
Xing Yang Female Baltimore, MD The Johns Hopkins University Baltimore, MD 8 A61K (6) .1 %
Xuan Liu Female Baltimore, MD The Johns Hopkins University Baltimore, MD 8 G01B (4) .1 %
Laura M. Ensign Female Towson, MD The Johns Hopkins University Baltimore, MD 7 A61K (8) .1 %


Gender Summary:
GenderInventorsPercentage
Male 3371 69.5 %
Female 772 15.9 %
Unknown 710 14.6 %


List of municipalities included in this metro region (CBSA)
ABERDEEN, MD
ABERDEEN PROVING GROUND, MD
ABINGDON, MD
ANNAPOLIS, MD
ANNAPOLIS JUNCTION, MD
ARNOLD, MD
BALDWIN, MD
BALTIMORE, MD
BARCLAY, MD
BEL AIR, MD
BELCAMP, MD
BENSON, MD
BORING, MD
BROOKLANDVILLE, MD
BROOKLYN, MD
BUTLER, MD
CATONSVILLE, MD
CENTREVILLE, MD
CHASE, MD
CHESTER, MD
CHESTERTOWN, MD
CHURCH HILL, MD
CHURCHTON, MD
CHURCHVILLE, MD
CLARKSVILLE, MD
COCKEYSVILLE, MD
COLUMBIA, MD
COOKSVILLE, MD
CROFTON, MD
CROWNSVILLE, MD
CRUMPTON, MD
CURTIS BAY, MD
DARLINGTON, MD
DAVIDSONVILLE, MD
DAYTON, MD
DEALE, MD
DUNDALK, MD
EDGEWATER, MD
EDGEWOOD, MD
ELKRIDGE, MD
ELLICOTT CITY, MD
ESSEX, MD
FALLSTON, MD
FINKSBURG, MD
FOREST HILL, MD
FORK, MD
FORT GEORGE G MEADE, MD
FORT HOWARD, MD
FREELAND, MD
FRIENDSHIP, MD
FULTON, MD
GALESVILLE, MD
GAMBRILLS, MD
GIBSON ISLAND, MD
GLEN ARM, MD
GLEN BURNIE, MD
GLENELG, MD
GLENWOOD, MD
GLYNDON, MD
GRASONVILLE, MD
GUNPOWDER, MD
GWYNN OAK, MD
HALETHORPE, MD
HAMPSTEAD, MD
HANOVER, MD
HARMANS, MD
HARWOOD, MD
HAVRE DE GRACE, MD
HENDERSON, MD
HIGHLAND, MD
HUNT VALLEY, MD
HYDES, MD
INGLESIDE, MD
JARRETTSVILLE, MD
JESSUP, MD
JOPPA, MD
KEYMAR, MD
KINGSVILLE, MD
LINEBORO, MD
LINTHICUM HEIGHTS, MD
LISBON, MD
LONG GREEN, MD
LOTHIAN, MD
LUTHERVILLE TIMONIUM, MD
MANCHESTER, MD
MARRIOTTSVILLE, MD
MARYDEL, MD
MARYLAND LINE, MD
MAYO, MD
MIDDLE RIVER, MD
MILLERSVILLE, MD
MILLINGTON, MD
MONKTON, MD
MOUNT AIRY, MD
NEW WINDSOR, MD
NOTTINGHAM, MD
ODENTON, MD
OWINGS MILLS, MD
PARKTON, MD
PARKVILLE, MD
PASADENA, MD
PERRY HALL, MD
PERRYMAN, MD
PHOENIX, MD
PIKESVILLE, MD
PRICE, MD
PYLESVILLE, MD
QUEEN ANNE, MD
QUEENSTOWN, MD
RANDALLSTOWN, MD
REISTERSTOWN, MD
RIDERWOOD, MD
RIVA, MD
ROSEDALE, MD
SAVAGE, MD
SEVERN, MD
SEVERNA PARK, MD
SHADY SIDE, MD
SIMPSONVILLE, MD
SPARKS GLENCOE, MD
SPARROWS POINT, MD
STEVENSON, MD
STEVENSVILLE, MD
STREET, MD
SUDLERSVILLE, MD
SYKESVILLE, MD
TANEYTOWN, MD
TOWSON, MD
TRACYS LANDING, MD
UPPER FALLS, MD
UPPERCO, MD
WEST FRIENDSHIP, MD
WEST RIVER, MD
WESTMINSTER, MD
WHITE HALL, MD
WHITE MARSH, MD
WHITEFORD, MD
WINDSOR MILL, MD
WOODBINE, MD
WOODSTOCK, MD
WYE MILLS, MD


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