CONTRALINE, INC.
Injectable/implantable long-acting hydrogel contraceptive (ADAM/ADAM Air) that occludes the vas deferens to block sperm passage
- Sector
- Medtech
- Headquarters
- CHARLOTTESVILLE, VA
- Founded
- 2017
- Latest Form D
- $55.8M, Jun 2026
- Total capital
- $64.4M
- Federal grants
- $1.4M
- 2 awards · 2024–2025
- Rank in peer group#523 of 538
- Private capital raised
- $63M
- 2 Form D · last Jun 2026
- 5 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 9
- 31 pending · first 2020
- Rank in peer group#67 of 538
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 2nd filing$55.8M
- Federal grantHealth and Human S · Phase II · Development of ADAM Air: A Non-Hormonal Vas Occlusive Contraceptive Device$1.1M
- Federal grantHealth and Human S · Phase II · Development of ADAM Air: A Non-Hormonal Vas Occlusive Contraceptive Device$291K
- Private capital raisedForm D · SEC · 1st filing$7.2M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 538 peers
Line = medianMedtech · Device
- Federal grantsBelow median
- Granted patents#67 · top 12%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Gurdane J BhutaniDirectorNamed in SEC Form D filings
- Iris J Van Alderwerelt van RosenburghDirectorNamed in SEC Form D filings
- Kevin S EisenfratsExecutive Officer, Director, PromoterNamed in SEC Form D filings
- Martin J EmersonDirectorNamed in SEC Form D filings
What it has protected
USPTO · 9 granted of 40- GrantedBiomaterial Compositions And Methods Of DeliveryUSPTOUS 12,708,554
- PendingReversible Radiopaque Occlusive Compositions And Methods For Implanting ThemUSPTOApplication 19122856
- PendingSystems And Methods For Removing A Hydrogel Implant From A Body LumenUSPTOApplication 19120974
Show all 40 patent records
- Biomaterial Compositions And Methods Of DeliveryAug 18, 2026 · US 12,708,554Granted
- Reversible Radiopaque Occlusive Compositions And Methods For Implanting ThemJun 4, 2026 · Application 19122856Pending
- Systems And Methods For Removing A Hydrogel Implant From A Body LumenMay 28, 2026 · Application 19120974Pending
- Contraceptive DevicesAug 12, 2025 · US 12,383,421Granted
- Aerogel Implants For ContraceptionMay 1, 2025 · Application 18935296Pending
- Device For Delivering Injectable MaterialApr 15, 2025 · US D1,071,200Granted
- Systems And Methods For Delivering BiomaterialsApr 16, 2024 · US 11,957,616Granted
- Systems And Methods For Delivering BiomaterialsApr 9, 2024 · US 11,951,032Granted
- Systems And Methods For Removing Biomaterial ImplantsNov 2, 2023 · Application 17923115Pending
- Biomaterial Compositions And Methods Of DeliveryJun 22, 2023 · Application 17924091Pending
- Systems And Methods For Delivering BiomaterialsNov 29, 2022 · US 11,510,807Granted
- Compositions And Methods For Sustained Drug Release From An Injectable HydrogelJun 9, 2022 · Application 17677295Pending
- Systems And Methods For Delivering BiomaterialsMay 3, 2022 · US 11,318,040Granted
- Systems And Methods For Delivering BiomaterialsFeb 22, 2022 · US 11,253,391Granted
- Systems And Methods For Automated Image Recognition Of Implants And Compositions With Long-lasting EchogenicityJan 20, 2022 · Application 17358501Pending
- Methods For Implanting And Reversing Stimuli-responsive ImplantsNov 12, 2020 · Application 16927614Pending
- Methods For Implanting And Reversing Stimuli-responsive ImplantsAug 25, 2020 · US 10,751,124Granted
- Methods And Apparatus For Delivering A Stimulus To An Occlusive ImplantJul 30, 2020 · Application 16753302Pending
- Systems And Methods For Automated Image Recognition Of Implants And Compositions With Long-lasting EchogenicityFeb 21, 2019 · Application 16104701Pending
- Carbon-based Compositions Useful For Occlusive Medical Devices And Methods Of Making And Using ThemFeb 1, 2018 · Application 15653618Pending
- Compositions and Methods for Reversing Contraceptive Medical DevicesApplication 62442583Pending
- Compositions And Methods For Male ContraceptionApplication 63693464Pending
- Compositions of and Methods for Preparing Occlusive Medical Devices Comprising GrapheneApplication 62367330Pending
- Compositions And Methods For Male ContraceptionApplication PCTUS2025045932Pending
- Systems And Methods For Delivering A CompositionApplication 18874438Pending
- Aerogel Implants For ContraceptionApplication PCTUS2024054249Pending
- Systems And Methods For Removing A Hydrogel Implant From A Body LumenApplication PCTUS2023035796Pending
- Reversible Radiopaque Occlusive Compositons And Methods For Implanting ThemApplication PCTUS2023077473Pending
- Systems And Methods For Removing A Hydrogel Implant From A Body LumenApplication 63529786Pending
- Systems And Methods For Delivering A CompositionApplication PCTUS2023026080Pending
- Systems And Methods For Removing A Hydrogel Implant From A Body LumenApplication 63419145Pending
- Systems And Methods For Delivering A CompositionApplication 63355867Pending
- Systems And Methods For Removing Biomaterial ImplantsApplication PCTUS2021034562Pending
- Biomaterial Compositions And Methods Of DeliveryApplication PCTUS2021032235Pending
- Compositions And Methods For Sustained Drug Release From An Injectable HydrogelApplication PCTUS2020047642Pending
- Biomaterial Compositions And Methods Of DeliveryApplication 63056124Pending
- Methods For Implanting And Reversing Stimuli-responsive ImplantsApplication PCTUS2018012654Pending
- Systems And Methods For Removing Biomaterial ImplantsApplication 63031280Pending
- Biomaterial Compositions And Methods Of DeliveryApplication 63024628Pending
- Systems And Methods For Delivering BiomaterialsApplication PCTUS2019060985Pending
Related companies, and why
- ENDOMEDIX, INC.Similar federal contract value in Medtech · null in contracts
- PHAST CORPSimilar federal contract value in Medtech · null in contracts
- SCION NEUROSTIM, LLCSimilar federal contract value in Medtech · null in contracts
- FAUXSEE INNOVATIONS LLCSimilar federal contract value in Medtech · null in contracts
- CELL IDX, INC.Similar federal contract value in Medtech · null in contracts
- PROTEAS BIOANALYTICS INC.Similar federal contract value in Medtech · null in contracts
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .