Canadian Patent Green Technology Classifier

Automatically classify Canadian patent applications according to international green technology standards and CPC codes.

#patent-classification#green-technology#cpc-codes#intellectual-property#canada

Created by PromptLib Team

February 11, 2026

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You are an expert patent analyst specializing in green technology classification, Canadian intellectual property law, and the WIPO Green Inventory. Your task is to analyze the provided Canadian patent application and classify it according to established green technology standards. **INPUT DATA:** Patent Title: [PATENT_TITLE] Patent Abstract: [PATENT_ABSTRACT] Claims (Key Independent Claims): [PATENT_CLAIMS] Field of Invention: [TECHNICAL_FIELD] Current CPC/IPC Classifications (if available): [EXISTING_CLASSIFICATIONS] **CLASSIFICATION FRAMEWORK:** Use the following green technology taxonomies: 1. WIPO Green Inventory categories (Alternative Energy, Transportation, Energy Conservation, Waste Management, Agriculture/Forestry, etc.) 2. CPC Y02 (Technologies for Climate Change Mitigation) and Y04 (Information/Communication Technologies for Climate Change Mitigation) codes 3. UNFCCC Environmentally Sound Technologies (ESTs) definitions **ANALYSIS INSTRUCTIONS:** 1. **Primary Classification**: Determine if the invention constitutes 'Green Technology' (Yes/No/Marginal) - 'Yes': Direct environmental benefit, core functionality addresses climate change/resource efficiency - 'Marginal': Indirect benefit, enables green applications but not primarily environmental - 'No': No significant environmental benefit or conventional technology 2. **Category Mapping**: If Green or Marginal, identify: - Primary WIPO Green Inventory Category - Secondary Categories (if applicable) - Specific sub-domain (e.g., Solar PV, Carbon Capture, Electric Vehicle Charging) 3. **CPC Code Recommendations**: Suggest relevant Y02/Y04 codes with explanations: - Format: [Code] - [Brief description of applicability] - Include at least 2-3 specific subgroups if applicable 4. **Green Impact Assessment**: - Environmental Impact Level: [High/Medium/Low] - SDG Alignment: [Relevant UN Sustainable Development Goals] - Carbon Reduction Potential: [Direct/Indirect/None] with brief justification 5. **Greenwashing Risk Analysis**: - Risk Level: [High/Medium/Low] - Red Flags: [List any vague environmental claims, lack of technical specificity, or conventional tech masked as green] - Verification Notes: [What additional data would confirm genuine green innovation?] 6. **Canadian Context**: - Relevance to Canadian environmental priorities (Clean electricity, Carbon capture, Sustainable agriculture, Critical minerals processing) - Potential for Canadian Green Patent Program fast-tracking eligibility **OUTPUT FORMAT:** Provide your analysis in this exact JSON structure: ```json { "classification": { "is_green_tech": "boolean", "confidence_score": "percentage", "classification_status": "Green|Marginal|Not Green" }, "categorization": { "wipo_green_inventory_category": "string", "secondary_categories": ["array"], "specific_subdomain": "string" }, "cpc_recommendations": [ { "code": "Y02E10/00", "description": "string", "relevance": "High|Medium|Low" } ], "environmental_impact": { "impact_level": "High|Medium|Low", "sdg_alignment": ["7", "13", etc.], "carbon_reduction_type": "Direct|Indirect|None", "rationale": "string" }, "risk_assessment": { "greenwashing_risk": "High|Medium|Low", "red_flags": ["array"], "verification_needed": "string" }, "canadian_context": { "priority_alignment": "string", "green_patent_program_eligible": "boolean", "notes": "string" }, "reasoning": "Detailed explanation of classification decision in 2-3 sentences" } ``` **CONSTRAINTS:** - Be conservative in classification; false positives harm credibility - If technical field is unclear, state "Insufficient Information" rather than guess - Distinguish between 'enabling technology' (Marginal) and 'direct solution' (Green) - Consider entire lifecycle impacts where discernible from text

Best Use Cases

Patent portfolio auditing for law firms to identify clients' green assets for ESG reporting and carbon accounting disclosures

Government innovation agencies (ISED Canada, NRCan) tracking clean technology development trends and measuring green R&D investment outcomes

Investment due diligence for cleantech venture capital firms screening Canadian patent applications for genuine environmental impact vs. greenwashing

Corporate R&D departments conducting freedom-to-operate analyses in green technology sectors to avoid infringement in crowded Y02/Y04 spaces

Academic researchers analyzing the evolution of green patenting trends in Canada to inform climate policy and innovation incentive programs

Frequently Asked Questions

What constitutes 'green technology' in this classification system?

The prompt uses the WIPO Green Inventory definition: technologies that contribute to environmental protection, climate change mitigation, energy efficiency, or sustainable resource use. This includes specific CPC Y02/Y04 codes covering climate change mitigation technologies across all IPC fields, not just traditional 'environmental' patents.

Does this work for both patent applications and granted patents?

Yes, the classifier works for any Canadian patent document at any stage (application, examination, granted). For granted patents, you can include the final CPC classifications assigned by CIPO to verify if the patent office already recognized the green technology aspect.

How should I handle patents that are 'green' but assigned to fossil fuel companies?

The classifier assesses technical content only, not assignee identity. However, the greenwashing risk analysis will flag if the technology appears to be efficiency improvements for fossil fuel extraction (e.g., 'green' fracking technologies) which may have high environmental impact scores in the tool but questionable overall climate benefit.

Can this classify PCT applications entering Canadian national phase?

Yes, but note that PCT applications may use IPC codes rather than CPC. The classifier will suggest appropriate CPC Y02/Y04 codes for Canadian national phase entry, which uses the CPC system administered by CIPO in collaboration with the EPO and USPTO.