Empirical Spine, Inc.

Morgan Hill, CA · Medtech · Private

Minimally invasive spinal stabilization device for degenerative spondylolisthesis

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Updated · limiflex.com

Sector
Medtech
Headquarters
Morgan Hill, CA
Latest Form D
$8.3M, Sep 2023
Total capital
$19M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$19M
2 Form D · last Sep 2023
38 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
5
20 pending · first 2018
Rank in peer group#304 of 1112

Capital timeline

202120222023FEDERAL ↑EQUITY ↓Cumulative $19M1st Form D$10.7M2nd Form D$8.3M
202120222023FEDERAL ↑EQUITY ↓Cumulative $19M1st Form D$10.7M2nd Form D$8.3M

Latest events

  • Private capital raisedForm D · SEC · 2nd filing$8.3M
  • Private capital raisedForm D · SEC · 1st filing$10.7M

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 = median

Medtech · Device

  • Granted patents#304 · top 27%

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

Researcher links verified by same-company patents and grants
  • Todd P AlaminResearcherDirectorLinked by 5 patents
  • Andrew P OfferDirectorNamed in SEC Form D filings
  • Don P. JohnsonDirectorNamed in SEC Form D filings
  • Francis P GrilloDirectorNamed in SEC Form D filings
  • Jay P. WatkinsDirectorNamed in SEC Form D filings
  • Jon P SerbousekDirectorNamed in SEC Form D filings
Show all 8 people
  • Kent P McCarthyDirectorNamed in SEC Form D filings
  • Richard TreadwellExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 5 granted of 25
  • GrantedSacral Tether Anchor And Methods Of UseUSPTOUS 12,599,421
  • PendingSurgical Tether Apparatus And Methods Of UseUSPTOApplication 18945414
  • PendingMethods And Apparatus For Coupling A Prosthesis To A Spinal SegmentUSPTOApplication 18521795
Show all 25 patent records
  • Sacral Tether Anchor And Methods Of UseApr 14, 2026 · US 12,599,421Granted
  • Surgical Tether Apparatus And Methods Of UseOct 2, 2025 · Application 18945414Pending
  • Methods And Apparatus For Coupling A Prosthesis To A Spinal SegmentOct 24, 2024 · Application 18521795Pending
  • Sacral Tether Anchor And Methods Of UseJun 8, 2023 · Application 17941008Pending
  • Methods And Systems For Increasing The Bending Stiffness Of A Spinal Segment With Elongation LimitMar 16, 2023 · Application 17833399Pending
  • Methods And Systems For Constraint Of Spinous Processes With AttachmentOct 27, 2022 · Application 17541164Pending
  • Surgical Tether Apparatus And Methods Of UseOct 13, 2022 · Application 17519640Pending
  • Methods And Systems For Laterally Stabilized Constraint Of Spinous ProcessesOct 13, 2022 · Application 17519626Pending
  • Methods And Apparatus For Coupling A Prosthesis To A Spinal SegmentAug 19, 2021 · Application 17095647Pending
  • Sacral Tether Anchor And Methods Of UseJun 10, 2021 · Application 17020463Pending
  • Methods And Systems For Increasing The Bending Stiffness Of A Spinal Segment With Elongation LimitJan 14, 2021 · Application 16789030Pending
  • Methods And Apparatus For Coupling A Prosthesis To A Spinal SegmentDec 15, 2020 · US 10,864,022Granted
  • Surgical Tether Apparatus And Methods Of UseApr 23, 2020 · Application 16401921Pending
  • Methods And Systems For Laterally Stabilized Constraint Of Spinous ProcessesNov 28, 2019 · Application 16200312Pending
  • Methods And Systems For Constraint Of Spinous Processes With AttachmentAug 29, 2019 · Application 16140147Pending
  • Surgical Tether Apparatus And Methods Of UseJun 11, 2019 · US 10,314,623Granted
  • Methods And Apparatus For Coupling A Prosthesis To A Spinal SegmentOct 9, 2018 · US 10,092,331Granted
  • Methods And Systems For Increasing The Bending Stiffness Of A Spinal Segment With Elongation LimitOct 4, 2018 · Application 15726986Pending
  • Methods And Systems For Constraint Of Spinous Processes With AttachmentSep 25, 2018 · US 10,080,589Granted
  • Sacral Tether Anchor And Methods Of UseMay 10, 2018 · Application 15863716Pending
  • Methods And Systems For Laterally Stabilized Constraint Of Spinous ProcessesMar 8, 2018 · Application 15805554Pending
  • Methods And Systems For Laterally Stabilized Constraint Of Spinous ProcessesAug 17, 2017 · Application 15442503Pending
  • Sacral Tether Anchor And Methods Of UseJan 19, 2017 · Application 15279046Pending
  • Surgical Tether Apparatus And Methods Of UseJul 14, 2016 · Application 15053688Pending
  • Methods And Systems For Laterally Stabilized Constraint Of Spinous ProcessesJun 23, 2016 · Application 15053924Pending
  • MEDICASAFE, INC.Similar federal contract value in Medtech · null in contracts
  • ENURSING, LLC.Similar federal contract value in Medtech · null in contracts
  • Diopter TechnologiesSimilar federal contract value in Medtech · null in contracts
  • Cognoptix, Inc.Similar federal contract value in Medtech · null in contracts
  • SynderBio Inc.Similar federal contract value in Medtech · null in contracts
  • Vesper Medical, Inc.Similar federal contract value in Medtech · null in contracts

Regulatory activity · Medtech

Sector-level, not company-level

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 .