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Stitch FixPatent grant

Stitch Fix was granted a patent for cross-domain recommendation technology.

What happened

In July 2026 Stitch Fix patented machine-learning technology for generating personalized recommendations across shopping and customer-engagement applications.

Source

patents.google.comJul 21, 2026

US patent US12688523

Multidomain time series recommendation

Abstract

Events are captured from a plurality of source domains by a plurality of entities for a plurality of different physical items. The events are captured as time series data to generate a unified machine learning embedding. The unified machine learning embedding is used for predictions in different domains of a plurality of prediction target domains.

patents.google.com/patent/US12688523Read the full source

Extracted by Autobound

From the Signal API record
Signal
Patent grant

What this signalsA new patent often shows where a company is putting its R&D budget.

Grant date
Jul 21, 2026
Inventors
Kevin J. Zielnicki, Dirk D. Sierag
Tech area
business methods / CRM / fintech
Patent number
US12688523

The full record

From the Signal API record

People

  • Kevin J. ZielnickiInventor
  • Dirk D. SieragInventor

Details

Primary CPC class
G06Q 30/0631 (Data processing systems for administrative, commercial, financial, managerial or supervisory purposes)
USPTO assignee
Stitch Fix, Inc.
What the invention does
A method that combines activity over time from different sources into one customer-and-item profile, then uses it to predict what should be recommended in multiple settings.

Topics and mentions

Tags

  • Intellectual Property
  • Research & Development
  • Machine Learning
  • Customer Experience

Technologies named

  • recommendation engines
  • time-series data
  • machine learning
  • customer analytics

Extraction

Detected
Sep 17, 2026
signal_type
patents-company
signal_subtype
patentGrant

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This page shows a preview. The full patents-company record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/40b61f8f-dbd7-5c37-ab54-e4d7159df00a returns this record as JSON. POST /v1/companies/enrich returns every signal for stitchfix.com.

{
  "signal_id": "40b61f8f-dbd7-5c37-ab54-e4d7159df00a",
  "signal_type": "patents-company",
  "signal_subtype": "patentGrant",
  "detected_at": "2026-09-17T21:48:02+00:00",
  "company": {
    "name": "Stitch Fix",
    "domain": "stitchfix.com"
  },
  "data": {
    "cpc": [
      {
        "code": "G06Q 30/0631",
        "label": "Data processing systems for administrative, commercial, financial, managerial or supervisory purposes"
      },
      {
        "code": "G06N 20/00",
        "label": "Computing arrangements based on specific computational models"
      },
      {
        "code": "G06F 18/2413",
        "label": "Electric digital data processing"
      },
      {
        "code": "G06N 3/08",
        "label": "Computing arrangements based on specific computational models"
      },
      {
        "code": "G06N 5/022",
        "label": "Computing arrangements based on specific computational models"
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    ],
    "tags": [
      "Intellectual Property",
      "Research & Development",
      "Machine Learning",
      "Customer Experience"
    ],
    "detail": "In July 2026 Stitch Fix patented machine-learning technology for generating personalized recommendations across shopping and customer-engagement applications.",
    "summary": "Stitch Fix was granted a patent for cross-domain recommendation technology.",
    "event_at": "2026-07-21",
    "inventors": [
      {
        "name": "Kevin J. Zielnicki",
        "status": "unresolved",
        "is_primary": true
      },
      {
        "name": "Dirk D. Sierag",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/dirk-sierag-46923882"
      }
    ],
    "tech_area": "business methods / CRM / fintech",
    "event_kind": "grant_date",
    "grant_date": "2026-07-21",
    "source_url": "https://patents.google.com/patent/US12688523",
    "cpc_primary": {
      "code": "G06Q 30/0631",
      "label": "Data processing systems for administrative, commercial, financial, managerial or supervisory purposes"
    },
    "patent_title": "Multidomain time series recommendation",
    "patent_number": "US12688523",
    "uspto_assignee": "Stitch Fix, Inc.",
    "patent_abstract": "Events are captured from a plurality of source domains by a plurality of entities for a plurality of different physical items. The events are captured as time series data to generate a unified machine learning embedding. The unified machine learning embedding is used for predictions in different domains of a plurality of prediction target domains.",
    "precision_class": "structural",
    "invention_explanation": "A method that combines activity over time from different sources into one customer-and-item profile, then uses it to predict what should be recommended in multiple settings.",
    "technologies_mentioned": [
      "recommendation engines",
      "time-series data",
      "machine learning",
      "customer analytics"
    ]
  }
}

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