Grants paid by Interdigital Charitable Foundation Inc F/K/a Signal Foundation for Wireless Innovati
EIN 46-3948126 · Wilmington, DE · Form 990-PF, Part XV · NTEE T20
Interdigital Charitable Foundation Inc F/K/a Signal Foundation for Wireless Innovati of Wilmington, DE (EIN 46-3948126) reported 57 grants paid totaling $1,738,407 to 34 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$1,738,407
57 grants
Recipients
34
distinct organizations
Tax years
2020–2024
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 6 | $439,129 | — |
| 2022 | 13 | $212,315 | — |
| 2023 | 18 | $508,060 | — |
| 2024 | 20 | $578,903 | — |
Top recipients
The 34 recipients receiving the most from Interdigital Charitable Foundation Inc F/K/a Signal Foundation for Wireless Innovati, by grants paid, out of 34 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Zip Code Wilmington 47-3853334 | B | Wilmington, DE | 2 | $170,000 | 2024 |
| Princeton University 21-0634501 | B | Princeton, NJ | 2 | $145,000 | 2023 |
| Old Dominion University | U | Norfolk, VA | 2 | $134,129 | 2023 |
| Virginia Tech | U | Blacksburg, VA | 1 | $100,000 | 2020 |
| All in Together Campaign Inc 46-5645788 | B | Harrison, NY | 3 | $100,000 | 2024 |
| National Multiple Sclerosis Society | U | Washington, DC | 3 | $80,588 | 2024 |
| Eleutherian Mills-Hagley Foundation Inc 51-0070531 | B | Wilmington, DE | 3 | $80,000 | 2024 |
| Temple University of the Commonwealth System of Hi 23-1365971 | C | Philadelphia, PA | 1 | $80,000 | 2024 |
| March On Washington Film Festival 46-4604132 | C | Washington, DC | 3 | $70,000 | 2024 |
| Asu Foundation | U | Tempe, AZ | 1 | $70,000 | 2023 |
| Global Women's Innovation Network 27-1428117 | B | Washington DC, DC | 3 | $70,000 | 2024 |
| University of Minnesota Foundation 41-6042488 | B | Minneapolis, MN | 1 | $65,000 | 2023 |
| Carnegie Mellon University 25-0969449 | C | Pittsburgh, PA | 1 | $60,000 | 2020 |
| University of Minnesota | U | Minneapolis, MN | 1 | $50,000 | 2020 |
| Save the Children Federation 06-0726487 | B | Fairfield, CT | 1 | $50,000 | 2022 |
| Full Steam Forward Inc | U | Jamaica Plain, MA | 3 | $50,000 | 2024 |
| Columbia University 82-2244803 | C | New York, NY | 1 | $50,000 | 2020 |
| University of Arizona Foundation 86-6050388 | B | Tucson, AZ | 1 | $50,000 | 2023 |
| Delaware State University | U | Dover, DE | 1 | $40,000 | 2024 |
| Howard University | U | Washington, DC | 1 | $40,000 | 2024 |
| Tax Foundation 52-1703065 | B | Washington, DC | 3 | $30,000 | 2024 |
| Hudson Institute Inc 13-1945157 | B | Washington, DC | 1 | $20,000 | 2024 |
| John and Lillian Miles Lewis Foundation Inc 82-4295449 | B | Atlanta, GA | 2 | $20,000 | 2024 |
| Halcyon | U | Wshington DC, DC | 1 | $15,000 | 2022 |
| National Women's Law Center 36-3887966 | D | Piitsburgh, PA | 1 | $15,000 | 2024 |
| Eagle Forum Education & Legal Defense Fund 37-1097202 | B | Alton, IL | 3 | $15,000 | 2024 |
| Temple University Beasley School of Law | U | Philadelphia, PA | 1 | $13,690 | 2023 |
| The Regents of the University of California 94-3067788 | B | Oakland, CA | 1 | $12,500 | 2024 |
| City Year Washington DC | U | Washington, DC | 3 | $12,000 | 2024 |
| Cradles to Crayons | U | Philadelphia, PA | 1 | $10,000 | 2024 |
| Transatlantic Youth Summit | U | Brussels | 1 | $7,000 | 2023 |
| Intellectual Property Owners Education Foundation 52-2250648 | B | Washington DC, DC | 2 | $5,500 | 2024 |
| George Mason University | U | Arlington, VA | 1 | $5,000 | 2022 |
| George Mason University Foundation Inc 54-1603842 | B | Fairfax, VA | 1 | $3,000 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 57 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Zip Code Wilmington Wilmington, DE | B | $160,000 | paid | Premier Sponsorship, Delaware's Code.org CSA Training | 202513219349105836 |
| 2024 | Temple University of the Commonwealth System of Hi Philadelphia, PA | C | $80,000 | paid | In support of The William J. Merritt Student Fellowship | 202513219349105836 |
| 2024 | All in Together Campaign Inc Harrison, NY | B | $40,000 | paid | 2024 Black Women Lead Event | 202513219349105836 |
| 2024 | Howard University Washington, DC | U | $40,000 | paid | In support of the Karsh STEM Scholars Program | 202513219349105836 |
| 2024 | Delaware State University Dover, DE | U | $40,000 | paid | Donation in support of student outcomes | 202513219349105836 |
| 2024 | National Multiple Sclerosis Society Washington, DC | U | $30,903 | paid | Support of National Multiple Sclerosis Society | 202513219349105836 |
| 2024 | Global Women's Innovation Network Washington DC, DC | B | $30,000 | paid | Support of the Global Women's Innovation Network | 202513219349105836 |
| 2024 | Eleutherian Mills-Hagley Foundation Inc Wilmington, DE | B | $25,000 | paid | 2024 Corporate Partnership | 202513219349105836 |
| 2024 | March On Washington Film Festival Washington, DC | C | $20,000 | paid | 2024 Sponsorship for March on Washington Film Festival | 202513219349105836 |
| 2024 | Full Steam Forward Inc Jamaica Plain, MA | U | $20,000 | paid | Full Steam Forward Program Donation | 202513219349105836 |
| 2024 | Hudson Institute Inc Washington, DC | B | $20,000 | paid | Support for research promoting American leadership | 202513219349105836 |
| 2024 | National Women's Law Center Piitsburgh, PA | D | $15,000 | paid | Support fight for gender justice, taking on issues that are central to the lives of women and girls | 202513219349105836 |
| 2024 | The Regents of the University of California Oakland, CA | B | $12,500 | paid | Sponsorship of The Berkley Center for Law & Technology (BCLT) Fund | 202513219349105836 |
| 2024 | Tax Foundation Washington, DC | B | $10,000 | paid | Support of the 2024 Tax Foundation | 202513219349105836 |
| 2024 | Cradles to Crayons Philadelphia, PA | U | $10,000 | paid | Donation to children to provide essential items | 202513219349105836 |
| 2024 | John and Lillian Miles Lewis Foundation Inc Atlanta, GA | B | $10,000 | paid | Support to reinforce democratic principles and participation | 202513219349105836 |
| 2024 | Eagle Forum Education & Legal Defense Fund Alton, IL | B | $5,000 | paid | 2024 Patent Event Sponsorship | 202513219349105836 |
| 2024 | City Year Washington DC Washington, DC | U | $5,000 | paid | For the support of City Year DC's program. | 202513219349105836 |
| 2024 | George Mason University Foundation Inc Fairfax, VA | B | $3,000 | paid | To support the George Mason University Center for Intellectual Property and Innovation Policy | 202513219349105836 |
| 2024 | Intellectual Property Owners Education Foundation Washington DC, DC | B | $2,500 | paid | 2024 Education Foundation Donation | 202513219349105836 |
| 2023 | Asu Foundation Tempe, AZ | U | $70,000 | paid | Charitable gift to a professor in support of research being conducted towards analyzing gaps between simulated and real datasets and developing ways to bridge these | 202413199349103891 |
| 2023 | University of Minnesota Foundation Minneapolis, MN | B | $65,000 | paid | To support professor Zhi-Li Zhang's research being conducted towards improving the performance and efficiency of wireless networks with cross layer optimization. | 202413199349103891 |
| 2023 | University of Arizona Foundation Tucson, AZ | B | $50,000 | paid | To support of the research of The University of Arizona Professor Hongyi Wu in the area of Collaborative Al in Distributed Computing and Communication Systems. | 202413199349103891 |
| 2023 | Old Dominion University Norfolk, VA | U | $50,000 | paid | To support of Dr. Rui Ning's research in the area of Collaborative Al in Distributed Computing and Communication Systems. | 202413199349103891 |
| 2023 | Princeton University Princeton, NJ | B | $50,000 | paid | To support Professor Kyle Jamieson's research in the area of Quantum Computing | 202413199349103891 |
| 2023 | All in Together Campaign Inc Harrison, NY | B | $35,000 | paid | 2023 Black Women Lead Event | 202413199349103891 |
| 2023 | Global Women's Innovation Network Washington DC, DC | B | $30,000 | paid | Support of the Global Women's Innovation Network | 202413199349103891 |
| 2023 | March On Washington Film Festival Washington, DC | C | $30,000 | paid | 2023 Sponsorship for March on Washington Film Festival | 202413199349103891 |
| 2023 | National Multiple Sclerosis Society Washington, DC | U | $29,370 | paid | Support of National Multiple Sclerosis Society | 202413199349103891 |
| 2023 | Hagley Museum and Library Wilmington, DE | B | $25,000 | paid | 2023 Corporate Partnership | 202413199349103891 |
| 2023 | Full Steam Forward Inc Jamaica Plain, MA | U | $20,000 | paid | Full Steam Forward Program Donation | 202413199349103891 |
| 2023 | Temple University Beasley School of Law Philadelphia, PA | U | $13,690 | paid | Sponsorship - Temple University I iLIT Symposium in Shusterman Hall | 202413199349103891 |
| 2023 | Zip Code Wilmington Wilmington, DE | B | $10,000 | paid | Premier Sponsorship, Delaware's Code.org CSA Training | 202413199349103891 |
| 2023 | Tax Foundation Washington, DC | B | $10,000 | paid | Support of the 2023 Tax Foundation | 202413199349103891 |
| 2023 | Transatlantic Youth Summit Brussels | U | $7,000 | paid | Covering accommodation costs for delegates | 202413199349103891 |
| 2023 | Eagle Forum Education & Legal Defense Fund Alton, IL | B | $5,000 | paid | 2022 Patent Event Sponsorship | 202413199349103891 |
| 2023 | City Year Washington DC Washington, DC | U | $5,000 | paid | For the support of City Year DC's program. | 202413199349103891 |
| 2023 | Intellectual Property Owners Education Foundation Washington DC, DC | B | $3,000 | paid | Education foundation for 2022 & 2023 | 202413199349103891 |
| 2022 | Save the Children Federation Fairfield, CT | B | $50,000 | paid | Support of Save the Children Federation | 202323189349105032 |
| 2022 | Hagley Museum and Library Wilmington, DE | B | $30,000 | paid | 2022 Corporate Partnership | 202323189349105032 |
| 2022 | All in Together Campaign Inc Harrison, NY | B | $25,000 | paid | 2022 Black Women Lead Event | 202323189349105032 |
| 2022 | National Multiple Sclerosis Society Washington, DC | U | $20,315 | paid | Support of National Multiple Sclerosis Society | 202323189349105032 |
| 2022 | March On Washington Film Festival Washington, DC | C | $20,000 | paid | 2022 Sponsorship for March on Washington Film Festival | 202323189349105032 |
| 2022 | Halcyon Wshington DC, DC | U | $15,000 | paid | Halcyon Awards Sponsorship 2022 | 202323189349105032 |
| 2022 | John & Lillian Miles Lewis Foundation Atalanta, GA | B | $10,000 | paid | Supporter Sponsorship for John and Lillian Miles Lewis Foundation Inaugural Gala | 202323189349105032 |
| 2022 | Tax Foundation Washington, DC | B | $10,000 | paid | Support of the 2022 Tax Foundation | 202323189349105032 |
| 2022 | Full Steam Forward Inc Jamaica Plain, MA | U | $10,000 | paid | Full Steam Forward Program Donation | 202323189349105032 |
| 2022 | Global Women's Innovation Network Washington DC, DC | B | $10,000 | paid | Support of the Global Women's Innovation Network | 202323189349105032 |
| 2022 | George Mason University Arlington, VA | U | $5,000 | paid | Donation to the Center for Intellectual Property x Innovation Policy | 202323189349105032 |
| 2022 | Eagle Forum Education & Legal Defense Fund Alton, IL | B | $5,000 | paid | 2022 Patent Event Sponsorship | 202323189349105032 |
| 2022 | City Year Washington DC Washington, DC | U | $2,000 | paid | For the support of City Year DC's program. | 202323189349105032 |
| 2020 | Virginia Tech Blacksburg, VA | U | $100,000 | paid | To support research in the area of blockchain technology for wireless | 202103149349102160 |
| 2020 | Princeton University Princeton, NJ | B | $95,000 | paid | To support Professor Kyle Jamieson's research in the area of Quantum Computing | 202103149349102160 |
| 2020 | Old Dominion University Norfolk, VA | U | $84,129 | paid | Cybersecurity Collaboration | 202103149349102160 |
| 2020 | Carnegie Mellon University Pittsburgh, PA | C | $60,000 | paid | To support research on room-scale synchronous AR games and how edge computing can enhance gameplay | 202103149349102160 |
| 2020 | University of Minnesota Minneapolis, MN | U | $50,000 | paid | To support leading edge research performed by Associate Professor Jarvis Haupt and his research group in the area of deep learning for wireless communication. | 202103149349102160 |
| 2020 | Columbia University New York, NY | C | $50,000 | paid | To support Professor Xiaodong Wang's research in the area of artificial intelligence and machine learning assisted wireless. | 202103149349102160 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202513219349105836 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202413199349103891 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202323189349105032 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202103149349102160 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/463948126.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.