Flagship deal
$975M
Acquired by 
in 2023. Dan filed Loom's first patent in 2017 — and his fund backed the team early.
2017 · first patent2023 · $975M exit
Inventor / Patent agent / Investor
Dan Hussain — inventor, patent agent and investor. 20 years. 100+ patents. One $975M exit.
Dan Hussain protects technology for founders — and invests in the ones who execute. Patent agent behind Loom, Prediction.io and Istari Digital. MIT engineer, USPTO-registered since 2006.
Patents & capital for
Founders he has protected or backed
Prediction.ioPioneer EnergyCourse Hero
By the numbers
The record, in one screen.
27
Through No Talking Capital — 2 exits (Loom, misterb&b).
100+
As patent agent of record — AI, software, energy, hardware.
20yrs
USPTO-registered since 2006.
16
Security, industrial internet, energy.
National award
Siemens Westinghouse National Science Award
National team winner in high school. Science Magazine called it a “junior Nobel Prize.”
MITB.S. Electrical & Biomedical Engineering
Carnegie Mellon
University
University
Carnegie MellonM.S. Civil & Environmental Engineering
NASA Academy~20 students selected a year
What he runs
Three firms. One obsession: protecting what founders build.
Founder
↗
American Patent Agency
A U.S. patent firm of MIT-trained engineers. AI, software, blockchain and robotics patents — drafted by people who read the code.
Patents PR
Founder
↗
NO TALKINGPatents PR
His own practice in Puerto Rico. Founders work with Dan directly — first call to issued U.S. patent, in English or Spanish.
CAPITAL .VC
General Partner
↗
No Talking Capital
An early-stage fund with one thesis: back founders who execute instead of talk. 27 investments, 2 exits.
Selected deals
On both sides of the table: the patents and the cap table.
Investor · Patent agentDigital engineering for the U.S. Air Force and Navy.
An early No Talking Capital investment, with patents prosecuted by Dan's firm.
Patent agentAcquired by Salesforce. The patents passed due diligence.
Track One filings issued within months of filing.
Pioneer EnergyCo-founder · Patent agentClean fuels, co-founded with Dr. Robert Zubrin.
31 patents that passed the due diligence of multiple investment rounds.
Investor · Patent agentA stalled portfolio taken over — 40+ patents issued.
Mixbook moved its portfolio from another firm to Dan's — “one of the best decisions we've made.”
Investor · Patent agentPatents behind 360° VR esports and the Theta network.
Backed by No Talking Capital; patents for Sliver.tv and Theta Labs.
Patent agentA computer-vision patent issued in three months.
Filed on a tight timeline — issued before the next financing round.
Investor · Patent agentDemand-generation AI, protected and backed.
A No Talking Capital portfolio company with patents filed by Dan's firm.
“I knew the technology would require patents to continually support our clients such as Uber, LinkedIn, Airbnb, and Dropbox. I was particularly pleased with the speed of customer service.”
Vinay HiremathCo-founder & CTO, Loom“Dan and his team have been amazing to work with. They are intelligent, responsive, have strong knowledge of the U.S. patent system — and most of all, want to see you get quality patents.”
Aryk GroszPresident & CTO, Mixbook“We hired APA after evaluating several firms in the San Francisco Bay Area. In addition to being the most technically competent, they achieved impressive results within a very short time period.”
“Their patent work has passed the due diligence of multiple rounds of investment. They have successfully issued 31 patents with relatively broad claims.”
Dr. Robert ZubrinFounder & President, Pioneer EnergyNo Talking Capital
27 bets. 2 exits so far.
Exitedmisterb&bExited
Course HeroAlto PharmacyTicket FairyTheta TokenPalletTuli HealthGlobeCeres ImagingCompliFiShort StoryTribefyArchimedesAhura AICreatifyPlasmaPayPixmPioneer FundFirsthand VenturesStealth Capital
The path
Scientist first. Then the patent system. Then the founders.
- 2000
Siemens Westinghouse
National team winner — evolutionary algorithms for efficient hashing functions.
- 2001
NASA Academy
One of ~20 students selected for NASA Goddard's research academy.
- 2004
MIT
B.S. Electrical Science & Engineering, minor in Biomedical Engineering.
- 2006
USPTO
Registered patent agent. Also worked with NASA, Siemens and Frommer, Lawrence & Haug.
- 2008
Inventor
First of his 16 patents issues — security, industrial internet, energy.
- 2009
Carnegie Mellon
M.S. Civil & Environmental Engineering; CO₂-to-fuels research for the DOE.
- 2017
Loom
Files Loom's first patent. Atlassian buys Loom for $975M in 2023.
- 2021
Patents PR
Opens his own practice in Puerto Rico.
- Today
Founder & GP
APA, Patents PR, No Talking Capital. Founding member of the Mars Society.
As inventor
16 patents with his name on them.
Talks & research
Hacking the patent code. And the carbon cycle.
A talk for founders at Stanford's StartX accelerator on using the patent system as a strategic asset.
CCUS ConferenceCaptured CO₂ to C4+ chemicals and drop-in liquid fuelsPDF
CCUS ConferenceOn-site CO₂ generation from waste for CO₂ frackingPDF
CCUS ConferenceMobile CO₂-enhanced oil recovery using flare gasPDF
2012 Shale Gas Innovation ContestEfficient, environmentally sound shale gas productionPDF
DOE · RPSEA grantFlare and flue gas CH₄ + CO₂ to butanolPDF
DOE · RPSEA grantMobile methanol production to cut GHG emissionsPDF
Int. Journal of Greenhouse Gas ControlLifecycle GHG emissions of enhanced oil recovery by CO₂ sourcePaper ↗
Biotechnology & BioengineeringCountercurrent tangential chromatography for protein purificationPaper ↗
Open to founders, investors & press