Eargo, Inc.
Over-the-counter hearing aids (invisible, self-fitting earpieces)
- Sector
- Medtech
- Headquarters
- SAN JOSE, CA
- Latest Form D
- $70.8M, Jul 2020
- Total capital
- $154M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $154M
- 3 Form D · last Jul 2020
- 75 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 24
- 16 pending · first 2016
- Rank in peer group#96 of 1112
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 3rd filing$70.8M
- Private capital raisedForm D · SEC · 2nd filing$51.2M
- Private capital raisedForm D · SEC · 1st filing$32.4M
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 1112 peers
Line = medianMedtech · Device
- Granted patents#96 · top 9%
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- Adam LaponisExecutive OfficerNamed in SEC Form D filings
- Christian GormsenExecutive Officer, DirectorNamed in SEC Form D filings
- David Tuxen WuDirectorNamed in SEC Form D filings
- Frank Tuxen TortiDirectorNamed in SEC Form D filings
- Geoff PardoDirectorNamed in SEC Form D filings
- Josh MakowerDirectorNamed in SEC Form D filings
Show all 12 people
- Juliet BakkerDirectorNamed in SEC Form D filings
- Peter BiisgardDirectorNamed in SEC Form D filings
- Peter BisgaardDirectorNamed in SEC Form D filings
- Raphael Tuxen MichelExecutive Officer, DirectorNamed in SEC Form D filings
- Tak CheungDirectorNamed in SEC Form D filings
- William Tuxen BrownieExecutive OfficerNamed in SEC Form D filings
What it has protected
USPTO · 24 granted of 40- GrantedReliable Wireless Communications Including Commands From An Application Through A Speaker To A Hearing Assistance DeviceUSPTOUS 12,520,090
- GrantedHearing Device Test and Diagnostics System and MethodsUSPTOUS 12,507,020
- GrantedAcoustics Fixture for Manual or Automated Testing and/or Calibration of Hearing DevicesUSPTOUS 12,356,148
Show all 40 patent records
- Reliable Wireless Communications Including Commands From An Application Through A Speaker To A Hearing Assistance DeviceJan 6, 2026 · US 12,520,090Granted
- Hearing Device Test and Diagnostics System and MethodsDec 23, 2025 · US 12,507,020Granted
- Acoustics Fixture for Manual or Automated Testing and/or Calibration of Hearing DevicesJul 8, 2025 · US 12,356,148Granted
- Multiple Flexible Tips For A Hearing Assistance DeviceMay 13, 2025 · US 12,302,072Granted
- Wireless Charging With Magnetic RetentionMar 4, 2025 · US 12,245,001Granted
- Apparatus And Method To Integrate A Wireless Charger And A Hearing Assistance DeviceDec 31, 2024 · US 12,185,063Granted
- Tone Detection in Hearing Device Audio SignalsOct 3, 2024 · Application 18285946Pending
- In-Situ Hearing Assessment and Customized Fitting of Hearing DevicesAug 29, 2024 · Application 18570589Pending
- Detection of Feedback Path ChangeJun 11, 2024 · US 12,010,486Granted
- Wax Management SystemSep 26, 2023 · US 11,770,664Granted
- Hearing Assistance Device With An AccelerometerNov 29, 2022 · US 11,516,601Granted
- Detection Of Feedback Path ChangeNov 15, 2022 · US 11,503,415Granted
- Hearing Device Test and Diagnostics System and MethodsOct 18, 2022 · US 11,477,582Granted
- Hearing Assistance Device That Uses One Or More Sensors To Autonomously Change A Power Mode Of The DeviceDec 21, 2021 · US 11,206,476Granted
- Wax Management SystemOct 5, 2021 · US 11,140,498Granted
- Hand Removable, Clip On Wax GuardsMay 25, 2021 · US 11,014,125Granted
- Device-Cleaning Wax GuardsNov 17, 2020 · US 10,835,931Granted
- Hearing Assistance Device With An AccelerometerSep 22, 2020 · US 10,785,579Granted
- Hearing Assistance Device That Uses One Or More Sensors To Autonomously Change A Power Mode Of The DeviceSep 8, 2020 · US 10,771,883Granted
- Adjustable Securing MechanismMay 7, 2019 · US 10,284,977Granted
- Adjustable Securing MechanismOct 9, 2018 · US 10,097,936Granted
- Wireless Control System for Personal Communication DeviceApr 3, 2018 · US 9,936,311Granted
- Open Ear Canal Hearing AidJan 9, 2018 · US 9,866,978Granted
- Adjiustable Securing MechanismNov 21, 2017 · US 9,826,322Granted
- Methods and Systems for Determining the Initial State of Charge (iSoC) and Optimum Charge Cycle(S) and Parameters for a CellOct 27, 2016 · Application 15098916Pending
- Methods and Systems for Determining the Initial State of Charge (iSoC), and Optimum Charge Cycle(s) and Parameters for a CellOct 27, 2016 · Application 15098940Pending
- Adjustable Securing Mechanism for a Space Access DeviceMay 17, 2016 · US 9,344,819Granted
- Hearing Aid Charger HousingMay 10, 2016 · US D,755,976Granted
- Open Ear Canal Hearing AidMar 26, 2015 · Application 14032310Pending
- Methods And Systems For Determining The Initial State Of Charge (isoc), And Optimum Charge Cycle(s) And Parameters For A CellApplication PCTUS2016027507Pending
- Normal-like Hearing SimulatorApplication PCTUS2022048715Pending
- Reliable Wireless Communications Including Commands From An Application Through A Speaker To A Hearing Assistance DeviceApplication PCTUS2022035695Pending
- In-situ Hearing Assessment And Customized Fitting Of Hearing DevicesApplication PCTUS2022030223Pending
- Acoustics Fixture for Manual or Automated Testing and/or Calibration of Hearing DevicesApplication 63338718Pending
- Hearing Device Test And Diagnostics System And MethodsApplication PCTUS2022026386Pending
- Normal Hearing SimulatorApplication 63275041Pending
- Hearing Assistance SystemApplication 63217114Pending
- Tone Detection In Hearing Device Audio SignalsApplication PCTUS2021028989Pending
- A Hearing Assistance Device That Uses One Or More Sensors To Autonomously Change A Power Mode Of The DeviceApplication PCTUS2019015014Pending
- A Hearing Assistance Device With An AccelerometerApplication PCTUS2019014607Pending
Related companies, and why
- Mee ErikssonSimilar federal contract value in Medtech · null in contracts
- CAPIO BIOSCIENCES, INC.Similar federal contract value in Medtech · null in contracts
- DAHLIA BIOSCIENCES, INC.Similar federal contract value in Medtech · null in contracts
- Supira MedicalSimilar federal contract value in Medtech · null in contracts
- AkouosSimilar federal contract value in Medtech · null in contracts
- Centinel Spine, LLCSimilar 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 .