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Semantic Claim Scope Modeling for Examiner-Scale CPC Family Comparison
Root Causes
1. EXAMINER TIME CONSTRAINTS: The USPTO allocates approximately 20 hours per patent application for the entire prosecution lifecycle. An examiner evaluating a complex mechanical or software claim cannot realistically review thousands of CPC-adjacent disclosures. They search the classification they're trained in, run a keyword query, and move on. IPVectors simulates the search an examiner WOULD do if they had weeks, not hours.
2. CPC CLASSIFICATION ARBITRAGE: This is the most sophisticated insight in the deck — and will resonate powerfully with practitioners who've seen it firsthand. Some filers — particularly well-resourced NPEs and institutional inventors — have developed strategies to fragment their filings across inventor names, assignee entities, and CPC subclassifications. This isn't accidental. It's designed to keep semantically related prior art outside the examiner's bounded search. IPVectors' transformer-based scoring sees through terminological variation.
3. TERMINOLOGY DRIFT: Patent claims describing functionally identical inventions frequently use completely different vocabulary — whether through deliberate obfuscation, translation artifacts, or normal technical language evolution. A keyword search for "wireless antenna beam steering" will miss a prior disclosure that describes the same architecture as "adaptive directional transmission vector control." IPVectors' BERT-first scoring identifies structural correspondence regardless of lexical variation.
Impact
• Fragile granted claims → expensive IPR/PGR defense
• Allowance surprises → client dissatisfaction and IDS re-drafting
• Overpaid M&A → write-downs and portfolio impairment
• Licensing deals unraveled → revenue at risk post-execution
Our founders
IPVectors, Inc. (IPV) is an exciting new technology startup based in Washington, founded by Jon Karlin, a former Microsoft director and serial entrepreneur, and Bharadwaj Ramanna, a seasoned software engineer with nearly two decades of experience leading high-impact, multi-million-dollar IT projects. Their new company is responding to a tremendous opportunity at the crossroads of AI, innovation and intellectual property protection.