# Construction & Architects' Law Software — Optimaite Law

Source: [https://www.optimaite.eu/en/law/fachgebiet/bau-und-architektenrecht](https://www.optimaite.eu/en/law/fachgebiet/bau-und-architektenrecht)

> Change-order review, HOAI calculator, defects suit — AI knows the VOB.

Optimaite Law reads VOB and BGB works contracts, tests change orders for entitlement and amount, calculates architects' and engineers' fees under HOAI and supports defect, remuneration and termination disputes.

## Signature workflows

### Change-order review against VOB/B

AI classifies orders per §§2 VOB/B, tests basis and amount.

### HOAI fee calculator

From service phases, eligible costs and fee zone the AI calculates the architect's fee under current HOAI.

### Acceptance protocol

From site log and defects list the AI drafts the acceptance protocol with reservations and remaining work.

## Recommended modules
- [AI Brief Drafting](https://www.optimaite.eu/en/law/schriftsatz-ki) — AI drafts inside the document, with a BGH source behind every argument — your pen stays in your hand.
- [Case Management](https://www.optimaite.eu/en/law/aktenmanagement) — AI assigns matters and parties · detects deadlines · opens ticklers · measures realisation and utilisation — you run the mandate.
- [Billing & Accounting](https://www.optimaite.eu/en/law/rvg-abrechnung) — AI auto-bundles unbilled hours and expenses into batch invoices · checks subject value and frame fee · monitors dunning levels and default interest — you approve.

## Legal foundations & case law
- BGH VII ZR — construction law
- VOB/B
- BGB §§631-651
- HOAI
- MaBV

## FAQs
### Does this work for large construction matters?

Yes. Matters with 100+ change orders are managed in a matter room with cross-references; AI helps with batch comparison.

### Is HOAI patched after each update?

Yes, centrally with before/after comparison; existing fee calculations aren't retroactively changed.